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      Trends in Sedentary Behavior Among the US Population, 2001-2016

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          Abstract

          Prolonged sitting, particularly watching television or videos, has been associated with increased risk of multiple diseases and mortality. However, changes in sedentary behaviors over time have not been well described in the United States.

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          Most cited references16

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          Colorectal Cancer Incidence Patterns in the United States, 1974-2013.

          Colorectal cancer (CRC) incidence in the United States is declining rapidly overall but, curiously, is increasing among young adults. Age-specific and birth cohort patterns can provide etiologic clues, but have not been recently examined.
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            Measurement of adults' sedentary time in population-based studies.

            Sedentary time (too much sitting) increasingly is being recognized as a distinct health risk behavior. This paper reviews the reliability and validity of self-reported and device-based sedentary time measures and provides recommendations for their use in population-based studies. The focus is on instruments that have been used in free-living, population-based research in adults. Data from the 2003-2006 National Health and Nutrition Examination Survey are utilized to compare the descriptive epidemiology of sedentary time that arises from the use of different sedentary time measures. A key recommendation from this review is that, wherever possible, population-based monitoring of sedentary time should incorporate both self-reported measures (to capture important domain- and behavior-specific sedentary time information) and device-based measures (to measure both total sedentary time and patterns of sedentary time accumulation). Copyright © 2011 American Journal of Preventive Medicine. All rights reserved.
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              Methods of Measurement in epidemiology: sedentary Behaviour.

              Research examining sedentary behaviour as a potentially independent risk factor for chronic disease morbidity and mortality has expanded rapidly in recent years. We present a narrative overview of the sedentary behaviour measurement literature. Subjective and objective methods of measuring sedentary behaviour suitable for use in population-based research with children and adults are examined. The validity and reliability of each method is considered, gaps in the literature specific to each method identified and potential future directions discussed. To date, subjective approaches to sedentary behaviour measurement, e.g. questionnaires, have focused predominantly on TV viewing or other screen-based behaviours. Typically, such measures demonstrate moderate reliability but slight to moderate validity. Accelerometry is increasingly being used for sedentary behaviour assessments; this approach overcomes some of the limitations of subjective methods, but detection of specific postures and postural changes by this method is somewhat limited. Instruments developed specifically for the assessment of body posture have demonstrated good reliability and validity in the limited research conducted to date. Miniaturization of monitoring devices, interoperability between measurement and communication technologies and advanced analytical approaches are potential avenues for future developments in this field. High-quality measurement is essential in all elements of sedentary behaviour epidemiology, from determining associations with health outcomes to the development and evaluation of behaviour change interventions. Sedentary behaviour measurement remains relatively under-developed, although new instruments, both objective and subjective, show considerable promise and warrant further testing.
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                Author and article information

                Journal
                JAMA
                JAMA
                American Medical Association (AMA)
                0098-7484
                April 23 2019
                April 23 2019
                : 321
                : 16
                : 1587
                Affiliations
                [1 ]Cancer Epidemiology and Prevention Research, CancerControl Alberta, Alberta Health Services, Calgary, Canada
                [2 ]Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
                [3 ]Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
                [4 ]Department of Epidemiology, Center for Public Health, Medical University of Vienna, Vienna, Austria
                [5 ]Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, Missouri
                [6 ]Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
                [7 ]Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Boston
                [8 ]Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston
                [9 ]Department of Colorectal Surgery, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
                [10 ]Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
                [11 ]Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
                [12 ]Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
                [13 ]Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
                [14 ]Siteman Cancer Center, Washington University School of Medicine, St Louis, Missouri
                Article
                10.1001/jama.2019.3636
                6487546
                31012934
                3ae492c6-8a9a-4c6e-9591-d4134664da74
                © 2019
                History

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