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Impact of the COVID-19 pandemic on adult mental health-related admissions at a large university health system in North Carolina – one year into the pandemic
research-article
Publication date (Electronic):
21 December 2023
Journal:
PLOS ONE
Publisher:
Public Library of Science
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Abstract
Objective
Pandemic-associated stress may have exacerbated preexisting mental health and substance use disorders (MH/SUD) and caused new MH/SUD diagnoses which would be expected to lead to an increase in visits to emergency departments and hospital admissions for these conditions. This study assessed whether the proportion of hospital and emergency department encounters for MH/SUD diagnoses increased during the first year of the COVID-19 pandemic in the United States.
Methods
We conducted a longitudinal (interrupted time series) analysis of 994,724 eligible encounters identified by electronic query between January 1, 2016 and March 31, 2021. Of these, 55,574 encounters involved MH/SUD diagnosis. The pre-pandemic period was defined as January 1, 2016 to March 31, 2020, and the pandemic period was defined as April 1, 2020 to March 31, 2021. All statistical analyses were performed with R.
Results
No significant trend in MH/SUD encounters at baseline (rate ratio 1.00, 95% CI 0.99–1.01, p = 0.75) was observed. However, the onset of the pandemic was temporally associated with a significant level increase in the proportion of MH/SUD encounters relative to overall encounters (rate ratio 1.14, 95% CI 1.06–1.21, p<0.001) with no change in the overall trend (rate ratio 0.99, 95% CI 0.90–1.10, p = 0.89).
Conclusions
The significant pandemic-associated increase in the proportion of MH/SUD encounters relative to overall encounters was driven largely by sustained numbers of MH/ SUD encounters despite a decrease in total encounters. Increased support for mental health care is needed for these vulnerable patients during pandemics.
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Most cited references44
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Global prevalence and burden of depressive and anxiety disorders in 204 countries and territories in 2020 due to the COVID-19 pandemic
(2021)
Background Before 2020, mental disorders were leading causes of the global health-related burden, with depressive and anxiety disorders being leading contributors to this burden. The emergence of the COVID-19 pandemic has created an environment where many determinants of poor mental health are exacerbated. The need for up-to-date information on the mental health impacts of COVID-19 in a way that informs health system responses is imperative. In this study, we aimed to quantify the impact of the COVID-19 pandemic on the prevalence and burden of major depressive disorder and anxiety disorders globally in 2020. Methods We conducted a systematic review of data reporting the prevalence of major depressive disorder and anxiety disorders during the COVID-19 pandemic and published between Jan 1, 2020, and Jan 29, 2021. We searched PubMed, Google Scholar, preprint servers, grey literature sources, and consulted experts. Eligible studies reported prevalence of depressive or anxiety disorders that were representative of the general population during the COVID-19 pandemic and had a pre-pandemic baseline. We used the assembled data in a meta-regression to estimate change in the prevalence of major depressive disorder and anxiety disorders between pre-pandemic and mid-pandemic (using periods as defined by each study) via COVID-19 impact indicators (human mobility, daily SARS-CoV-2 infection rate, and daily excess mortality rate). We then used this model to estimate the change from pre-pandemic prevalence (estimated using Disease Modelling Meta-Regression version 2.1 [known as DisMod-MR 2.1]) by age, sex, and location. We used final prevalence estimates and disability weights to estimate years lived with disability and disability-adjusted life-years (DALYs) for major depressive disorder and anxiety disorders. Findings We identified 5683 unique data sources, of which 48 met inclusion criteria (46 studies met criteria for major depressive disorder and 27 for anxiety disorders). Two COVID-19 impact indicators, specifically daily SARS-CoV-2 infection rates and reductions in human mobility, were associated with increased prevalence of major depressive disorder (regression coefficient [ B ] 0·9 [95% uncertainty interval 0·1 to 1·8; p=0·029] for human mobility, 18·1 [7·9 to 28·3; p=0·0005] for daily SARS-CoV-2 infection) and anxiety disorders (0·9 [0·1 to 1·7; p=0·022] and 13·8 [10·7 to 17·0; p<0·0001]. Females were affected more by the pandemic than males ( B 0·1 [0·1 to 0·2; p=0·0001] for major depressive disorder, 0·1 [0·1 to 0·2; p=0·0001] for anxiety disorders) and younger age groups were more affected than older age groups (−0·007 [–0·009 to −0·006; p=0·0001] for major depressive disorder, −0·003 [–0·005 to −0·002; p=0·0001] for anxiety disorders). We estimated that the locations hit hardest by the pandemic in 2020, as measured with decreased human mobility and daily SARS-CoV-2 infection rate, had the greatest increases in prevalence of major depressive disorder and anxiety disorders. We estimated an additional 53·2 million (44·8 to 62·9) cases of major depressive disorder globally (an increase of 27·6% [25·1 to 30·3]) due to the COVID-19 pandemic, such that the total prevalence was 3152·9 cases (2722·5 to 3654·5) per 100 000 population. We also estimated an additional 76·2 million (64·3 to 90·6) cases of anxiety disorders globally (an increase of 25·6% [23·2 to 28·0]), such that the total prevalence was 4802·4 cases (4108·2 to 5588·6) per 100 000 population. Altogether, major depressive disorder caused 49·4 million (33·6 to 68·7) DALYs and anxiety disorders caused 44·5 million (30·2 to 62·5) DALYs globally in 2020. Interpretation This pandemic has created an increased urgency to strengthen mental health systems in most countries. Mitigation strategies could incorporate ways to promote mental wellbeing and target determinants of poor mental health and interventions to treat those with a mental disorder. Taking no action to address the burden of major depressive disorder and anxiety disorders should not be an option. Funding Queensland Health, National Health and Medical Research Council, and the Bill and Melinda Gates Foundation.
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Mental Health, Substance Use, and Suicidal Ideation During the COVID-19 Pandemic — United States, June 24–30, 2020
Mark Czeisler, Rashon Lane, Emiko Petrosky … (2020)
The coronavirus disease 2019 (COVID-19) pandemic has been associated with mental health challenges related to the morbidity and mortality caused by the disease and to mitigation activities, including the impact of physical distancing and stay-at-home orders.* Symptoms of anxiety disorder and depressive disorder increased considerably in the United States during April–June of 2020, compared with the same period in 2019 ( 1 , 2 ). To assess mental health, substance use, and suicidal ideation during the pandemic, representative panel surveys were conducted among adults aged ≥18 years across the United States during June 24–30, 2020. Overall, 40.9% of respondents reported at least one adverse mental or behavioral health condition, including symptoms of anxiety disorder or depressive disorder (30.9%), symptoms of a trauma- and stressor-related disorder (TSRD) related to the pandemic † (26.3%), and having started or increased substance use to cope with stress or emotions related to COVID-19 (13.3%). The percentage of respondents who reported having seriously considered suicide in the 30 days before completing the survey (10.7%) was significantly higher among respondents aged 18–24 years (25.5%), minority racial/ethnic groups (Hispanic respondents [18.6%], non-Hispanic black [black] respondents [15.1%]), self-reported unpaid caregivers for adults § (30.7%), and essential workers ¶ (21.7%). Community-level intervention and prevention efforts, including health communication strategies, designed to reach these groups could help address various mental health conditions associated with the COVID-19 pandemic. During June 24–30, 2020, a total of 5,412 (54.7%) of 9,896 eligible invited adults** completed web-based surveys †† administered by Qualtrics. §§ The Monash University Human Research Ethics Committee of Monash University (Melbourne, Australia) reviewed and approved the study protocol on human subjects research. Respondents were informed of the study purposes and provided electronic consent before commencement, and investigators received anonymized responses. Participants included 3,683 (68.1%) first-time respondents and 1,729 (31.9%) respondents who had completed a related survey during April 2–8, May 5–12, 2020, or both intervals; 1,497 (27.7%) respondents participated during all three intervals ( 2 , 3 ). Quota sampling and survey weighting were employed to improve cohort representativeness of the U.S. population by gender, age, and race/ethnicity. ¶¶ Symptoms of anxiety disorder and depressive disorder were assessed using the four-item Patient Health Questionnaire*** ( 4 ), and symptoms of a COVID-19–related TSRD were assessed using the six-item Impact of Event Scale ††† ( 5 ). Respondents also reported whether they had started or increased substance use to cope with stress or emotions related to COVID-19 or seriously considered suicide in the 30 days preceding the survey. §§§ Analyses were stratified by gender, age, race/ethnicity, employment status, essential worker status, unpaid adult caregiver status, rural-urban residence classification, ¶¶¶ whether the respondent knew someone who had positive test results for SARS-CoV-2, the virus that causes COVID-19, or who had died from COVID-19, and whether the respondent was receiving treatment for diagnosed anxiety, depression, or posttraumatic stress disorder (PTSD) at the time of the survey. Comparisons within subgroups were evaluated using Poisson regressions with robust standard errors to calculate prevalence ratios, 95% confidence intervals (CIs), and p-values to evaluate statistical significance (α = 0.005 to account for multiple comparisons). Among the 1,497 respondents who completed all three surveys, longitudinal analyses of the odds of incidence**** of symptoms of adverse mental or behavioral health conditions by essential worker and unpaid adult caregiver status were conducted on unweighted responses using logistic regressions to calculate unadjusted and adjusted †††† odds ratios (ORs), 95% CI, and p-values (α = 0.05). The statsmodels package in Python (version 3.7.8; Python Software Foundation) was used to conduct all analyses. Overall, 40.9% of 5,470 respondents who completed surveys during June reported an adverse mental or behavioral health condition, including those who reported symptoms of anxiety disorder or depressive disorder (30.9%), those with TSRD symptoms related to COVID-19 (26.3%), those who reported having started or increased substance use to cope with stress or emotions related to COVID-19 (13.3%), and those who reported having seriously considered suicide in the preceding 30 days (10.7%) (Table 1). At least one adverse mental or behavioral health symptom was reported by more than one half of respondents who were aged 18–24 years (74.9%) and 25–44 years (51.9%), of Hispanic ethnicity (52.1%), and who held less than a high school diploma (66.2%), as well as those who were essential workers (54.0%), unpaid caregivers for adults (66.6%), and who reported treatment for diagnosed anxiety (72.7%), depression (68.8%), or PTSD (88.0%) at the time of the survey. TABLE 1 Respondent characteristics and prevalence of adverse mental health outcomes, increased substance use to cope with stress or emotions related to COVID-19 pandemic, and suicidal ideation — United States, June 24–30, 2020 Characteristic All respondents who completed surveys during June 24–30, 2020 weighted* no. (%) Weighted %* Conditions Started or increased substance use to cope with pandemic-related stress or emotions¶ Seriously considered suicide in past 30 days ≥1 adverse mental or behavioral health symptom Anxiety disorder† Depressive disorder† Anxiety or depressive disorder† COVID-19–related TSRD§ All respondents 5,470 (100) 25.5 24.3 30.9 26.3 13.3 10.7 40.9 Gender Female 2,784 (50.9) 26.3 23.9 31.5 24.7 12.2 8.9 41.4 Male 2,676 (48.9) 24.7 24.8 30.4 27.9 14.4 12.6 40.5 Other 10 (0.2) 20.0 30.0 30.0 30.0 10.0 0.0 30.0 Age group (yrs) 18–24 731 (13.4) 49.1 52.3 62.9 46.0 24.7 25.5 74.9 25–44 1,911 (34.9) 35.3 32.5 40.4 36.0 19.5 16.0 51.9 45–64 1,895 (34.6) 16.1 14.4 20.3 17.2 7.7 3.8 29.5 ≥65 933 (17.1) 6.2 5.8 8.1 9.2 3.0 2.0 15.1 Race/Ethnicity White, non-Hispanic 3,453 (63.1) 24.0 22.9 29.2 23.3 10.6 7.9 37.8 Black, non-Hispanic 663 (12.1) 23.4 24.6 30.2 30.4 18.4 15.1 44.2 Asian, non-Hispanic 256 (4.7) 14.1 14.2 18.0 22.1 6.7 6.6 31.9 Other race or multiple races, non-Hispanic** 164 (3.0) 27.8 29.3 33.2 28.3 11.0 9.8 43.8 Hispanic, any race(s) 885 (16.2) 35.5 31.3 40.8 35.1 21.9 18.6 52.1 Unknown 50 (0.9) 38.0 34.0 44.0 34.0 18.0 26.0 48.0 2019 Household income (USD) <25,000 741 (13.6) 30.6 30.8 36.6 29.9 12.5 9.9 45.4 25,000–49,999 1,123 (20.5) 26.0 25.6 33.2 27.2 13.5 10.1 43.9 50,999–99,999 1,775 (32.5) 27.1 24.8 31.6 26.4 12.6 11.4 40.3 100,999–199,999 1,301 (23.8) 23.1 20.8 27.7 24.2 15.5 11.7 37.8 ≥200,000 282 (5.2) 17.4 17.0 20.6 23.1 14.8 11.6 35.1 Unknown 247 (4.5) 19.6 23.1 27.2 24.9 6.2 3.9 41.5 Education Less than high school diploma 78 (1.4) 44.5 51.4 57.5 44.5 22.1 30.0 66.2 High school diploma 943 (17.2) 31.5 32.8 38.4 32.1 15.3 13.1 48.0 Some college 1,455 (26.6) 25.2 23.4 31.7 22.8 10.9 8.6 39.9 Bachelor's degree 1,888 (34.5) 24.7 22.5 28.7 26.4 14.2 10.7 40.6 Professional degree 1,074 (19.6) 20.9 19.5 25.4 24.5 12.6 10.0 35.2 Unknown 33 (0.6) 25.2 23.2 28.2 23.2 10.5 5.5 28.2 Employment status†† Employed 3,431 (62.7) 30.1 29.1 36.4 32.1 17.9 15.0 47.8 Essential 1,785 (32.6) 35.5 33.6 42.4 38.5 24.7 21.7 54.0 Nonessential 1,646 (30.1) 24.1 24.1 29.9 25.2 10.5 7.8 41.0 Unemployed 761 (13.9) 32.0 29.4 37.8 25.0 7.7 4.7 45.9 Retired 1,278 (23.4) 9.6 8.7 12.1 11.3 4.2 2.5 19.6 Unpaid adult caregiver status§§ Yes 1,435 (26.2) 47.6 45.2 56.1 48.4 32.9 30.7 66.6 No 4,035 (73.8) 17.7 16.9 22.0 18.4 6.3 3.6 31.8 Region ¶¶ Northeast 1,193 (21.8) 23.9 23.9 29.9 22.8 12.8 10.2 37.1 Midwest 1,015 (18.6) 22.7 21.1 27.5 24.4 9.0 7.5 36.1 South 1,921 (35.1) 27.9 26.5 33.4 29.1 15.4 12.5 44.4 West 1,340 (24.5) 25.8 24.2 30.9 26.7 14.0 10.9 43.0 Rural-urban classification*** Rural 599 (10.9) 26.0 22.5 29.3 25.4 11.5 10.2 38.3 Urban 4,871 (89.1) 25.5 24.6 31.1 26.4 13.5 10.7 41.2 Know someone who had positive test results for SARS-CoV-2 Yes 1,109 (20.3) 23.8 21.9 29.6 21.5 12.9 7.5 39.2 No 4,361 (79.7) 26.0 25.0 31.3 27.5 13.4 11.5 41.3 Knew someone who died from COVID-19 Yes 428 (7.8) 25.8 20.6 30.6 28.1 11.3 7.6 40.1 No 5,042 (92.2) 25.5 24.7 31.0. 26.1 13.4 10.9 41.0 Receiving treatment for previously diagnosed condition Anxiety Yes 536 (9.8) 59.6 52.0 66.0 51.9 26.6 23.6 72.7 No 4,934 (90.2) 21.8 21.3 27.1 23.5 11.8 9.3 37.5 Depression Yes 540 (9.9) 52.5 50.6 60.8 45.5 25.2 22.1 68.8 No 4,930 (90.1) 22.6 21.5 27.7 24.2 12.0 9.4 37.9 Posttraumatic stress disorder Yes 251 (4.6) 72.3 69.1 78.7 69.4 43.8 44.8 88.0 No 5,219 (95.4) 23.3 22.2 28.6 24.2 11.8 9.0 38.7 Abbreviations: COVID-19 = coronavirus disease 2019; TSRD = trauma- and stressor-related disorder. * Survey weighting was employed to improve the cross-sectional June cohort representativeness of the U.S. population by gender, age, and race/ethnicity according to the 2010 U.S. Census with respondents in which gender, age, and race/ethnicity were reported. Respondents who reported a gender of “Other” or who did not report race/ethnicity were assigned a weight of one. † Symptoms of anxiety disorder and depressive disorder were assessed via the four-item Patient Health Questionnaire (PHQ-4). Those who scored ≥3 out of 6 on the Generalized Anxiety Disorder (GAD-2) and Patient Health Questionnaire (PHQ-2) subscales were considered symptomatic for each disorder, respectively. § Disorders classified as TSRDs in the Diagnostic and Statistical Manual of Mental Disorders (DSM–5) include posttraumatic stress disorder (PTSD), acute stress disorder (ASD), and adjustment disorders (ADs), among others. Symptoms of a TSRD precipitated by the COVID-19 pandemic were assessed via the six-item Impact of Event Scale (IES-6) to screen for overlapping symptoms of PTSD, ASD, and ADs. For this survey, the COVID-19 pandemic was specified as the traumatic exposure to record peri- and posttraumatic symptoms associated with the range of stressors introduced by the COVID-19 pandemic. Those who scored ≥1.75 out of 4 were considered symptomatic. ¶ 104 respondents selected “Prefer not to answer.” ** The Other race or multiple races, non-Hispanic category includes respondents who identified as not being Hispanic and as more than one race or as American Indian or Alaska Native, Native Hawaiian or Pacific Islander, or “Other.” †† Essential worker status was self-reported. The comparison was between employed respondents (n = 3,431) who identified as essential vs. nonessential. For this analysis, students who were not separately employed as essential workers were considered nonessential workers. §§ Unpaid adult caregiver status was self-reported. The definition of an unpaid caregiver for adults was a person who had provided unpaid care to a relative or friend aged ≥18 years to help them take care of themselves at any time in the last 3 months. Examples provided included helping with personal needs, household chores, health care tasks, managing a person’s finances, taking them to a doctor’s appointment, arranging for outside services, and visiting regularly to see how they are doing. ¶¶ Region classification was determined by using the U.S. Census Bureau’s Census Regions and Divisions of the United States. https://www2.census.gov/geo/pdfs/maps-data/maps/reference/us_regdiv.pdf. *** Rural-urban classification was determined by using self-reported ZIP codes according to the Federal Office of Rural Health Policy definition of rurality. https://www.hrsa.gov/rural-health/about-us/definition/datafiles.html. Prevalences of symptoms of adverse mental or behavioral health conditions varied significantly among subgroups (Table 2). Suicidal ideation was more prevalent among males than among females. Symptoms of anxiety disorder or depressive disorder, COVID-19–related TSRD, initiation of or increase in substance use to cope with COVID-19–associated stress, and serious suicidal ideation in the previous 30 days were most commonly reported by persons aged 18–24 years; prevalence decreased progressively with age. Hispanic respondents reported higher prevalences of symptoms of anxiety disorder or depressive disorder, COVID-19–related TSRD, increased substance use, and suicidal ideation than did non-Hispanic whites (whites) or non-Hispanic Asian (Asian) respondents. Black respondents reported increased substance use and past 30-day serious consideration of suicide in the previous 30 days more commonly than did white and Asian respondents. Respondents who reported treatment for diagnosed anxiety, depression, or PTSD at the time of the survey reported higher prevalences of symptoms of adverse mental and behavioral health conditions compared with those who did not. Symptoms of a COVID-19–related TSRD, increased substance use, and suicidal ideation were more prevalent among employed than unemployed respondents, and among essential workers than nonessential workers. Adverse conditions also were more prevalent among unpaid caregivers for adults than among those who were not, with particularly large differences in increased substance use (32.9% versus 6.3%) and suicidal ideation (30.7% versus 3.6%) in this group. TABLE 2 Comparison of symptoms of adverse mental health outcomes among all respondents who completed surveys (N = 5,470), by respondent characteristic* — United States, June 24–30, 2020 Characteristic Prevalence ratio ¶ (95% CI¶) Symptoms of anxiety disorder or depressive disorder † Symptoms of a TSRD related to COVID-19 § Started or increased substance use to cope with stress or emotions related to COVID-19 Serious consideration of suicide in past 30 days Gender Female vs. male 1.04 (0.96–1.12) 0.88 (0.81–0.97) 0.85 (0.75–0.98) 0.70 (0.60–0.82)** Age group (yrs) 18–24 vs. 25–44 1.56 (1.44–1.68)** 1.28 (1.16–1.41)** 1.31 (1.12–1.53)** 1.59 (1.35–1.87)** 18–24 vs. 45–64 3.10 (2.79–3.44)** 2.67 (2.35–3.03)** 3.35 (2.75–4.10)** 6.66 (5.15–8.61)** 18–24 vs. ≥65 7.73 (6.19–9.66)** 5.01 (4.04–6.22)** 8.77 (5.95–12.93)** 12.51 (7.88–19.86)** 25–44 vs. 45–64 1.99 (1.79–2.21)** 2.09 (1.86–2.35)** 2.56 (2.14–3.07)** 4.18 (3.26–5.36)** 25–44 vs. ≥65 4.96 (3.97–6.20)** 3.93 (3.18–4.85)** 6.70 (4.59–9.78)** 7.86 (4.98–12.41)** 45–64 vs. ≥65 2.49 (1.98–3.15)** 1.88 (1.50–2.35)** 2.62 (1.76–3.9)** 1.88 (1.14–3.10) Race/Ethnicity†† Hispanic vs. non-Hispanic black 1.35 (1.18–1.56)** 1.15 (1.00–1.33) 1.19 (0.97–1.46) 1.23 (0.98–1.55) Hispanic vs. non-Hispanic Asian 2.27 (1.73–2.98)** 1.59 (1.24–2.04)** 3.29 (2.05–5.28)** 2.82 (1.74–4.57)** Hispanic vs. non-Hispanic other race or multiple races 1.23 (0.98–1.55) 1.24 (0.96–1.61) 1.99 (1.27–3.13)** 1.89 (1.16–3.06) Hispanic vs. non-Hispanic white 1.40 (1.27–1.54)** 1.50 (1.35–1.68)** 2.09 (1.79–2.45)** 2.35 (1.96–2.80)** Non-Hispanic black vs. non-Hispanic Asian 1.68 (1.26–2.23)** 1.38 (1.07–1.78) 2.75 (1.70–4.47)** 2.29 (1.39–3.76)** Non-Hispanic black vs. non-Hispanic other race or multiple races 0.91 (0.71–1.16) 1.08 (0.82–1.41) 1.67 (1.05–2.65) 1.53 (0.93–2.52) Non-Hispanic black vs. non-Hispanic white 1.03 (0.91–1.17) 1.30 (1.14–1.48)** 1.75 (1.45–2.11)** 1.90 (1.54–2.36)** Non-Hispanic Asian vs. non-Hispanic other race or multiple races 0.54 (0.39–0.76)** 0.78 (0.56–1.09) 0.61 (0.32–1.14) 0.67 (0.35–1.29) Non-Hispanic Asian vs. non-Hispanic white 0.62 (0.47–0.80)** 0.95 (0.74–1.20) 0.64 (0.40–1.02) 0.83 (0.52–1.34) Non-Hispanic other race or multiple races vs. non-Hispanic white 1.14 (0.91–1.42) 1.21 (0.94–1.56) 1.05 (0.67–1.64) 1.24 (0.77–2) Employment status Employed vs. unemployed 0.96 (0.87–1.07) 1.28 (1.12–1.46)** 2.30 (1.78–2.98)** 3.21 (2.31–4.47)** Employed vs. retired 3.01 (2.58–3.51)** 2.84 (2.42–3.34)** 4.30 (3.28–5.63)** 5.97 (4.20–8.47)** Unemployed vs. retired 3.12 (2.63–3.71)** 2.21 (1.82–2.69)** 1.87 (1.30–2.67)** 1.86 (1.16–2.96) Essential vs. nonessential worker§§ 1.42 (1.30–1.56)** 1.52 (1.38–1.69)** 2.36 (2.00–2.77)** 2.76 (2.29–3.33)** Unpaid caregiver for adults vs. not¶¶` 2.55 (2.37–2.75)** 2.63 (2.42–2.86)** 5.28 (4.59–6.07)** 8.64 (7.23–10.33)** Rural vs. urban residence*** 0.94 (0.82–1.07) 0.96 (0.83–1.11) 0.84 (0.67–1.06) 0.95 (0.74–1.22) Knows someone with positive SARS-CoV-2 test result vs. not 0.95 (0.86–1.05) 0.78 (0.69–0.88)** 0.96 (0.81–1.14) 0.65 (0.52–0.81)** Knew someone who died from COVID-19 vs. not 0.99 (0.85–1.15) 1.08 (0.92–1.26) 0.84 (0.64–1.11) 0.69 (0.49–0.97) Receiving treatment for anxiety vs. not 2.43 (2.26–2.63)** 2.21 (2.01–2.43)** 2.27 (1.94–2.66)** 2.54 (2.13–3.03)** Receiving treatment for depression vs. not 2.20 (2.03–2.39)** 1.88 (1.70–2.09)** 2.13 (1.81–2.51)** 2.35 (1.96–2.82)** Receiving treatment for PTSD vs. not 2.75 (2.55–2.97)** 2.87 (2.61–3.16)** 3.78 (3.23–4.42)** 4.95 (4.21–5.83)** Abbreviations: CI = confidence interval; COVID-19 = coronavirus disease 2019; PTSD = posttraumatic stress disorder; TSRD = trauma- and stressor-related disorder. * Number of respondents for characteristics: gender (female = 2,784, male = 2,676), age group in years (18–24 = 731; 25–44 = 1,911; 45–64 = 1,895; ≥65 = 933), race/ethnicity (non-Hispanic white = 3453, non-Hispanic black = 663, non-Hispanic Asian = 256, non-Hispanic other race or multiple races = 164, Hispanic = 885). † Symptoms of anxiety disorder and depressive disorder were assessed via the four-item Patient Health Questionnaire (PHQ-4). Those who scored ≥3 out of 6 on the Generalized Anxiety Disorder (GAD-2) and Patient Health Questionnaire (PHQ-2) subscales were considered to have symptoms of these disorders. § Disorders classified as TSRDs in the Diagnostic and Statistical Manual of Mental Disorders (DSM–5) include PTSD, acute stress disorder (ASD), and adjustment disorders (ADs), among others. Symptoms of a TSRD precipitated by the COVID-19 pandemic were assessed via the six-item Impact of Event Scale (IES-6) to screen for overlapping symptoms of PTSD, ASD, and ADs. For this survey, the COVID-19 pandemic was specified as the traumatic exposure to record peri- and posttraumatic symptoms associated with the range of stressors introduced by the COVID-19 pandemic. Persons who scored ≥1.75 out of 4 were considered to be symptomatic. ¶ Comparisons within subgroups were evaluated on weighted responses via Poisson regressions used to calculate a prevalence ratio, 95% CI, and p-value (not shown). Statistical significance was evaluated at a threshold of α = 0.005 to account for multiple comparisons. In the calculation of prevalence ratios for started or increased substance use, respondents who selected “Prefer not to answer” (n = 104) were excluded. ** P-value is statistically significant (p<0.005). †† Respondents identified as a single race unless otherwise specified. The non-Hispanic, other race or multiple races category includes respondents who identified as not Hispanic and as more than one race or as American Indian or Alaska Native, Native Hawaiian or Pacific Islander, or ‘Other’. §§ Essential worker status was self-reported. The comparison was between employed respondents (n = 3,431) who identified as essential vs. nonessential. For this analysis, students who were not separately employed as essential workers were considered nonessential workers. ¶¶ Unpaid adult caregiver status was self-reported. The definition of an unpaid caregiver for adults was having provided unpaid care to a relative or friend aged ≥18 years to help them take care of themselves at any time in the last 3 months. Examples provided included helping with personal needs, household chores, health care tasks, managing a person’s finances, taking them to a doctor’s appointment, arranging for outside services, and visiting regularly to see how they are doing. *** Rural-urban classification was determined by using self-reported ZIP codes according to the Federal Office of Rural Health Policy definition of rurality. https://www.hrsa.gov/rural-health/about-us/definition/datafiles.html. Longitudinal analysis of responses of 1,497 persons who completed all three surveys revealed that unpaid caregivers for adults had a significantly higher odds of incidence of adverse mental health conditions compared with others (Table 3). Among those who did not report having started or increased substance use to cope with stress or emotions related to COVID-19 in May, unpaid caregivers for adults had 3.33 times the odds of reporting this behavior in June (adjusted OR 95% CI = 1.75–6.31; p<0.001). Similarly, among those who did not report having seriously considered suicide in the previous 30 days in May, unpaid caregivers for adults had 3.03 times the odds of reporting suicidal ideation in June (adjusted OR 95% CI = 1.20–7.63; p = 0.019). TABLE 3 Odds of incidence* of symptoms of adverse mental health, substance use to cope with stress or emotions related to COVID–19 pandemic, and suicidal ideation in the third survey wave, by essential worker status and unpaid adult caregiver status among respondents who completed monthly surveys from April through June (N = 1,497) — United States, April 2–8, May 5–12, and June 24–30, 2020 Symptom or behavior Essential worker† vs. all other employment statuses (nonessential worker, unemployed, retired) Unpaid caregiver for adults§ vs. not unpaid caregiver Unadjusted Adjusted¶ Unadjusted Adjusted** OR (95% CI)†† p-value†† OR (95% CI)†† p-value†† OR (95% CI)†† p-value†† OR (95% CI)†† p-value†† Symptoms of anxiety disorder§§ 1.92 (1.29–2.87) 0.001 1.63 (0.99–2.69) 0.056 1.97 (1.25–3.11) 0.004 1.81 (1.14–2.87) 0.012 Symptoms of depressive disorder§§ 1.49 (1.00–2.22) 0.052 1.13 (0.70–1.82) 0.606 2.29 (1.50–3.50) <0.001 2.22 (1.45–3.41) <0.001 Symptoms of anxiety disorder or depressive disorder§§ 1.67 (1.14–2.46) 0.008 1.26 (0.79–2.00) 0.326 1.84 (1.19–2.85) 0.006 1.73 (1.11–2.70) 0.015 Symptoms of a TSRD related to COVID–19¶¶ 1.55 (0.86–2.81) 0.146 1.27 (0.63–2.56) 0.512 1.88 (0.99–3.56) 0.054 1.79 (0.94–3.42) 0.076 Started or increased substance use to cope with stress or emotions related to COVID–19 2.36 (1.26–4.42) 0.007 2.04 (0.92–4.48) 0.078 3.51 (1.86–6.61) <0.001 3.33 (1.75–6.31) <0.001 Serious consideration of suicide in previous 30 days 0.93 (0.31–2.78) 0.895 0.53 (0.16–1.70) 0.285 3.00 (1.20–7.52) 0.019 3.03 (1.20–7.63) 0.019 Abbreviations: CI = confidence interval, COVID–19 = coronavirus disease 2019, OR = odds ratio, TSRD = trauma– and stressor–related disorder. * For outcomes assessed via the four-item Patient Health Questionnaire (PHQ–4), odds of incidence were marked by the presence of symptoms during May 5–12 or June 24–30, 2020, after the absence of symptoms during April 2–8, 2020. Respondent pools for prospective analysis of odds of incidence (did not screen positive for symptoms during April 2–8): anxiety disorder (n = 1,236), depressive disorder (n = 1,301) and anxiety disorder or depressive disorder (n = 1,190). For symptoms of a TSRD precipitated by COVID–19, started or increased substance use to cope with stress or emotions related to COVID–19, and serious suicidal ideation in the previous 30 days, odds of incidence were marked by the presence of an outcome during June 24–30, 2020, after the absence of that outcome during May 5–12, 2020. Respondent pools for prospective analysis of odds of incidence (did not report symptoms or behavior during May 5–12): symptoms of a TSRD (n = 1,206), started or increased substance use (n = 1,408), and suicidal ideation (n = 1,456). † Essential worker status was self–reported. For Table 3, essential worker status was determined by identification as an essential worker during the June 24–30 survey. Essential workers were compared with all other respondents, not just employed respondents (i.e., essential workers vs. all other employment statuses (nonessential worker, unemployed, and retired), not essential vs. nonessential workers). § Unpaid adult caregiver status was self–reported. The definition of an unpaid caregiver for adults was having provided unpaid care to a relative or friend 18 years or older to help them take care of themselves at any time in the last 3 months. Examples provided included helping with personal needs, household chores, health care tasks, managing a person’s finances, taking them to a doctor’s appointment, arranging for outside services, and visiting regularly to see how they are doing. ¶ Adjusted for gender, employment status, and unpaid adult caregiver status. ** Adjusted for gender, employment status, and essential worker status. †† Respondents who completed surveys from all three waves (April, May, June) were eligible to be included in an unweighted longitudinal analysis. Comparisons within subgroups were evaluated via logit–linked Binomial regressions used to calculate unadjusted and adjusted odds ratios, 95% confidence intervals, and p–values. Statistical significance was evaluated at a threshold of α = 0.05. In the calculation of odds ratios for started or increased substance use, respondents who selected “Prefer not to answer” (n = 11) were excluded. §§ Symptoms of anxiety disorder and depressive disorder were assessed via the PHQ–4. Those who scored ≥3 out of 6 on the two–item Generalized Anxiety Disorder (GAD–2) and two-item Patient Health Questionnaire (PHQ–2) subscales were considered symptomatic for each disorder, respectively. ¶¶ Disorders classified as TSRDs in the Diagnostic and Statistical Manual of Mental Disorders (DSM–5) include posttraumatic stress disorder (PTSD), acute stress disorder (ASD), and adjustment disorders (ADs), among others. Symptoms of a TSRD precipitated by the COVID–19 pandemic were assessed via the six–item Impact of Event Scale (IES–6) to screen for overlapping symptoms of PTSD, ASD, and ADs. For this survey, the COVID–19 pandemic was specified as the traumatic exposure to record peri– and posttraumatic symptoms associated with the range of potential stressors introduced by the COVID–19 pandemic. Those who scored ≥1.75 out of 4 were considered symptomatic. Discussion Elevated levels of adverse mental health conditions, substance use, and suicidal ideation were reported by adults in the United States in June 2020. The prevalence of symptoms of anxiety disorder was approximately three times those reported in the second quarter of 2019 (25.5% versus 8.1%), and prevalence of depressive disorder was approximately four times that reported in the second quarter of 2019 (24.3% versus 6.5%) ( 2 ). However, given the methodological differences and potential unknown biases in survey designs, this analysis might not be directly comparable with data reported on anxiety and depression disorders in 2019 ( 2 ). Approximately one quarter of respondents reported symptoms of a TSRD related to the pandemic, and approximately one in 10 reported that they started or increased substance use because of COVID-19. Suicidal ideation was also elevated; approximately twice as many respondents reported serious consideration of suicide in the previous 30 days than did adults in the United States in 2018, referring to the previous 12 months (10.7% versus 4.3%) ( 6 ). Mental health conditions are disproportionately affecting specific populations, especially young adults, Hispanic persons, black persons, essential workers, unpaid caregivers for adults, and those receiving treatment for preexisting psychiatric conditions. Unpaid caregivers for adults, many of whom are currently providing critical aid to persons at increased risk for severe illness from COVID-19, had a higher incidence of adverse mental and behavioral health conditions compared with others. Although unpaid caregivers of children were not evaluated in this study, approximately 39% of unpaid caregivers for adults shared a household with children (compared with 27% of other respondents). Caregiver workload, especially in multigenerational caregivers, should be considered for future assessment of mental health, given the findings of this report and hardships potentially faced by caregivers. The findings in this report are subject to at least four limitations. First, a diagnostic evaluation for anxiety disorder or depressive disorder was not conducted; however, clinically validated screening instruments were used to assess symptoms. Second, the trauma- and stressor-related symptoms assessed were common to multiple TSRDs, precluding distinction among them; however, the findings highlight the importance of including COVID-19–specific trauma measures to gain insights into peri- and posttraumatic impacts of the COVID-19 pandemic ( 7 ). Third, substance use behavior was self-reported; therefore, responses might be subject to recall, response, and social desirability biases. Finally, given that the web-based survey might not be fully representative of the United States population, findings might have limited generalizability. However, standardized quality and data inclusion screening procedures, including algorithmic analysis of click-through behavior, removal of duplicate responses and scrubbing methods for web-based panel quality were applied. Further the prevalence of symptoms of anxiety disorder and depressive disorder were largely consistent with findings from the Household Pulse Survey during June ( 1 ). Markedly elevated prevalences of reported adverse mental and behavioral health conditions associated with the COVID-19 pandemic highlight the broad impact of the pandemic and the need to prevent and treat these conditions. Identification of populations at increased risk for psychological distress and unhealthy coping can inform policies to address health inequity, including increasing access to resources for clinical diagnoses and treatment options. Expanded use of telehealth, an effective means of delivering treatment for mental health conditions, including depression, substance use disorder, and suicidal ideation ( 8 ), might reduce COVID-19-related mental health consequences. Future studies should identify drivers of adverse mental and behavioral health during the COVID-19 pandemic and whether factors such as social isolation, absence of school structure, unemployment and other financial worries, and various forms of violence (e.g., physical, emotional, mental, or sexual abuse) serve as additional stressors. Community-level intervention and prevention efforts should include strengthening economic supports to reduce financial strain, addressing stress from experienced racial discrimination, promoting social connectedness, and supporting persons at risk for suicide ( 9 ). Communication strategies should focus on promotion of health services §§§§ , ¶¶¶¶ , ***** and culturally and linguistically tailored prevention messaging regarding practices to improve emotional well-being. Development and implementation of COVID-19–specific screening instruments for early identification of COVID-19–related TSRD symptoms would allow for early clinical interventions that might prevent progression from acute to chronic TSRDs. To reduce potential harms of increased substance use related to COVID-19, resources, including social support, comprehensive treatment options, and harm reduction services, are essential and should remain accessible. Periodic assessment of mental health, substance use, and suicidal ideation should evaluate the prevalence of psychological distress over time. Addressing mental health disparities and preparing support systems to mitigate mental health consequences as the pandemic evolves will continue to be needed urgently. Summary What is already known about this topic? Communities have faced mental health challenges related to COVID-19–associated morbidity, mortality, and mitigation activities. What is added by this report? During June 24–30, 2020, U.S. adults reported considerably elevated adverse mental health conditions associated with COVID-19. Younger adults, racial/ethnic minorities, essential workers, and unpaid adult caregivers reported having experienced disproportionately worse mental health outcomes, increased substance use, and elevated suicidal ideation. What are the implications for public health practice? The public health response to the COVID-19 pandemic should increase intervention and prevention efforts to address associated mental health conditions. Community-level efforts, including health communication strategies, should prioritize young adults, racial/ethnic minorities, essential workers, and unpaid adult caregivers.
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- Abstract: found
- Article: found
Interrupted time series regression for the evaluation of public health interventions: a tutorial
Abstract Interrupted time series (ITS) analysis is a valuable study design for evaluating the effectiveness of population-level health interventions that have been implemented at a clearly defined point in time. It is increasingly being used to evaluate the effectiveness of interventions ranging from clinical therapy to national public health legislation. Whereas the design shares many properties of regression-based approaches in other epidemiological studies, there are a range of unique features of time series data that require additional methodological considerations. In this tutorial we use a worked example to demonstrate a robust approach to ITS analysis using segmented regression. We begin by describing the design and considering when ITS is an appropriate design choice. We then discuss the essential, yet often omitted, step of proposing the impact model a priori. Subsequently, we demonstrate the approach to statistical analysis including the main segmented regression model. Finally we describe the main methodological issues associated with ITS analysis: over-dispersion of time series data, autocorrelation, adjusting for seasonal trends and controlling for time-varying confounders, and we also outline some of the more complex design adaptations that can be used to strengthen the basic ITS design.
Author and article information
Contributors
Tatyana Der:
ORCID: https://orcid.org/0009-0000-3640-5905
Role: ConceptualizationRole: Data curationRole: Formal analysisRole: VisualizationRole:
Writing – original draft
Nicole Helmke: Role: ConceptualizationRole: Writing – review & editing
Jason E. Stout: Role: ConceptualizationRole: SupervisionRole: Writing – review & editing
Nicholas A. Turner: Role: Data curationRole: Formal analysisRole: SupervisionRole: Writing – original
draftRole: Writing – review & editing
Jennifer M. Hensel: Role: Editor
Journal
Journal ID (nlm-ta): PLoS One
Journal ID (iso-abbrev): PLoS One
Journal ID (publisher-id): plos
Title:
PLOS ONE
Publisher:
Public Library of Science
(San Francisco, CA USA
)
ISSN
(Electronic):
1932-6203
Publication date
(Electronic):
21
December
2023
Publication date Collection: 2023
Volume: 18
Issue: 12
Electronic Location Identifier: e0293831
Affiliations
[1
]
Department of Medicine, Duke University School of Medicine, Durham, North Carolina,
United States of America
[2
]
Department of Psychiatry and Behavioral Sciences and Department of Medicine, Duke
University School of Medicine, Durham, North Carolina, United States of America
Author notes
* E-mail:
tatyana.der@
123456duke.edu
Author information
Tatyana Der
https://orcid.org/0009-0000-3640-5905
Article
Publisher ID: PONE-D-23-16157DOI: 10.1371/journal.pone.0293831
PMC ID: 10734981
PubMed ID: 38127858
SO-VID: 94c7ef1a-42ab-4466-8d22-adb75ca9fe06
Copyright © © 2023 Der et al
License:
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
History
Date
received
: 26
May
2023
Date
accepted
: 19
October
2023
Page count
Figures: 1,
Tables: 1,
Pages: 10
Funding
The author(s) received no specific funding for this work.
Categories
Subject:
Research Article
Subject:
Medicine and Health Sciences
Subject:
Epidemiology
Subject:
Pandemics
Subject:
Medicine and Health Sciences
Subject:
Mental Health and Psychiatry
Subject:
Medicine and Health Sciences
Subject:
Health Care
Subject:
Health Care Facilities
Subject:
Hospitals
Subject:
Medicine and Health Sciences
Subject:
Medical Conditions
Subject:
Infectious Diseases
Subject:
Viral Diseases
Subject:
Covid 19
Subject:
Medicine and Health Sciences
Subject:
Critical Care and Emergency Medicine
Subject:
Medicine and Health Sciences
Subject:
Health Care
Subject:
Patients
Subject:
Inpatients
Subject:
Medicine and Health Sciences
Subject:
Diagnostic Medicine
Subject:
Medicine and Health Sciences
Subject:
Mental Health and Psychiatry
Subject:
Mood Disorders
Subject:
Depression
Custom metadata
Data Availability All relevant data are within the uploaded
Supporting Information file, "data sharing".
Outbreaks COVID-19
ScienceOpen disciplines: Uncategorized
Data availability:
ScienceOpen disciplines: Uncategorized