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      Prévalence et facteurs associés à la lombalgie chez les conducteurs de taxi moto à Porto-Novo (Bénin) Translated title: Prevalence and factors associated with low back pain among motorcycle drivers in Porto-Novo (Benin)

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          Abstract

          Introduction

          la lombalgie constitue un problème majeur de santé au travail. Certaines populations de travailleurs semblent beaucoup plus exposées que d’autres. L’objectif de cette étude était de déterminer la prévalence et les facteurs associés à la survenue de la lombalgie chez les conducteurs de taxi moto à Porto-Novo.

          Méthodes

          étude transversale à visée descriptive et analytique qui avait concerné 270 conducteurs de taxi-moto ayant au moins un an d’ancienneté et consentants. Ces derniers étaient soumis au questionnaire de type nordique adapté à notre contexte et un examen physique du rachis. Les données collectées ont été analysées à l’aide du logiciel Epidata 3.1. et STATA/IC 11.0. Le seuil de significativité était de 5% et les intervalles de confiance calculés à 95%.

          Résultats

          la prévalence de la lombalgie était de 68,89%. L’âge moyen des conducteurs de taxi-moto était de 42,43 ±11,25 [25-64] ans. La majorité conduisait depuis plus de 5 ans (93,33%). La durée moyenne de conduite par jour était de plus de 8 heures (93,34%) et 68,52% parcouraient plus de 160km par jour. La lombalgie était d’horaire mécanique dans 91,39%. Le mode d’installation était brutal dans 81,73%. La douleur était modérée chez 55,91% des conducteurs, d’évolution aigue (46,24%) et sans irradiation dans 62,36% des cas. L’âge, le niveau d’instruction, le stress, la posture, l’état des amortisseurs de moto étaient associés à la lombalgie chez ces conducteurs de taxi-moto (p < 0,001). Par contre la distance parcourue, la durée de travail, l’ancienneté et l’état des routes n’étaient pas associés à la survenue de la lombalgie.

          Conclusion

          la lombalgie demeure un sérieux problème de santé publique notamment chez les conducteurs de taxi-moto dans notre pays où la conduite de moto devient de plus en plus un métier de secours pour la population confrontée au chômage grandissant d’où la nécessité d’agir sur les différents facteurs pour une prévention efficace.

          Translated abstract

          Introduction

          low back pain is a major health problem in the workplace. Some populations of workers appear to be much more exposed than others. The aim of this study is to determine the prevalence and the factors associated with the occurrence of low back pain among motorcycle drivers in Porto-Novo.

          Methods

          we conducted a cross-sectional descriptive and analytical study of 270 consenting motorcycle drivers with at least one year of seniority. Patients were asked to complete the Nordic Questionnaire adapted to our context and physical examination of the spine was performed. Data were analyzed using Epidata 3.1. Software and STATA/IC 11.0. The threshold significance level was 5% and the confidence intervals were 95%.

          Results

          the prevalence of low back pain was 68.89%. The average age of motorcycle drivers was 42.43 ±11.25 [25-64]years. The majority of them had been driving for more than 5 years (93.33%). Drivers spent an average of more than 8 hours (93.34%) driving per day and 68.52% of them drove over 160km per day. Low back pain was mechanical in 91.39% of cases. It was characterized by sudden onset in 81.73% of cases. Pain was moderate in 55.91% of drivers, evolving in acute pain in 46.24% of drivers and without radiation in 62.36% of cases. Age, education level, stress, posture, condition of motorcycle shock absorbers were associated with low back pain in these motorcycle drivers (p < 0.001). By contrast, distance travelled, job duration, seniority and road conditions were not associated with the occurrence of low back pain.

          Conclusion

          low back pain is a serious public health problem in particular among motorcycle drivers in our country where riding a motorcycle is becoming more and more a work to bring assistance to the population facing growing unemployment. Hence the need to address factors associated with effective prevention.

          Most cited references19

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          Psychosocial factors at work and musculoskeletal disease.

          The objective of this review is to establish whether the epidemiologic literature presents evidence of an association between psychosocial work factors and musculoskeletal disease. In a hypothetical model it is suggested that individual characteristics and stress symptoms can modify this relationship. The reviewed studies do not present conclusive evidence due to high correlations between psychosocial factors and physical load and to difficulties in measuring dependent and independent variables. Nevertheless, it is concluded that monotonous work, high perceived work load, and time pressure are related to musculoskeletal symptoms. The data also suggest that low control on the job and lack of social support by colleagues are positively associated with musculoskeletal disease. Perceived stress may be an intermediary in this process. In addition, stress symptoms are often associated with musculoskeletal disease, and some studies indicate that stress symptoms contribute to the development of this disease.
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            Validity of Nordic-style questionnaires in the surveillance of upper-limb work-related musculoskeletal disorders.

            The study aimed at comparing results of standardized Nordic-style questionnaires with those of clinical examinations in two surveys on upper-limb work-related musculoskeletal disorders. The "repetitive task" survey (1757 workers in 1993-1994 and 598 workers in 1996-1997) studied risk factors of the disorders among those exposed to repetitive work. The "Pays de la Loire" survey (2685 workers in 2002-2003) was part of a population-wide surveillance system. In both surveys, each worker completed a Nordic-style questionnaire and underwent a standardized clinical examination. The presence of at least one upper-limb work-related musculoskeletal disorder was compared, with an evaluation of sensitivity, specificity, and kappa values, with a clinical examination as reference. In the second survey, a global score of a numerical scale for the severity of symptoms at the time of the examination was evaluated in the same way (plus ROC curves). Agreement between the questionnaire and the examination differed in the two surveys, from kappa 0.22 [95% confidence interval (95% CI) 0.19-0.23] in the "Pays de la Loire" survey to kappa 0.77 (95% CI 0.74-0.80) in the "repetitive task" survey in 1993-1994. Overall, sensitivity was excellent (82.3-100%). The specificity varied, from 51.1% in the "Pays de la Loire" survey to 82.4% for the >or=2 score based on the severity of symptoms in the survey. Nordic-style questionnaires exploring symptoms in the past year can be useful tools for monitoring upper-limb work-related musculoskeletal disorders, especially if they include numerical rating scales of symptom severity. Physical examination remains essential for a medical or clinical diagnosis.
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              • Article: not found

              The Association between risk factors and low back pain among commercial vehicle drivers in peninsular Malaysia: a preliminary result.

              To determine the risk factors associated with complain of low back pain. A cross sectional study was done from June 2004 until August 2005. Seven hundred and sixty commercial vehicle drivers from 11 bus companies in central, northern and eastern regions in Malaysia participated in this study. Modified Nordic questionnaire was used to determine the prevalence of low back pain; Maestro human vibration meter was used to measure the personal R.M.S values of lateral, anterior-posterior and vertical axes. Modified Owas was used to assess the awkward posture of the driver torso namely, bending forward movement, leaning, sitting straight and twisting. Profile of Mood States (POMS) was used to evaluate the mood states of bus drivers with complain of low back pain. A high prevalence of low back pain (60.4%) among Malaysian commercial vehicle drivers was found. Logistic regression analysis controlling for age, income, education level and non occupational activities revealed that the following factors were related to low back pain: Tension-anxiety [1.080, 95% CI 1.041-1.121], depression dejection [1.047, 95% CI 1.023-1.072], anger-hostility [1.053, 95% CI 1.027-1.081], fatigue [1.132, 95% CI 1.089-1.177] and confusion [1.114, 95% CI 1.061-1.169] of POMS, length of employment [1.001, 95% CI 1.0-1.003], steering wheel adjustment [1.521, 95% CI 1.101-2.101], perception of exposing to vibration [1.943, 95% CI 1.389-2.719]. In conclusion, combinations of risks lead to high increase of low back pain complain among Malaysian bus drivers.
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                Author and article information

                Journal
                Pan Afr Med J
                Pan Afr Med J
                PAMJ
                The Pan African Medical Journal
                The African Field Epidemiology Network
                1937-8688
                07 March 2019
                2019
                : 32
                : 107
                Affiliations
                [1 ]Service de Rhumatologie, Centre National Hospitalo-Universitaire Hubert Koutoukou Maga, Cotonou, Bénin
                [2 ]Unité de Recherche en Santé au Travail et Environnement, Cotonou, Bénin
                [3 ]Service de Médecine Interne, Centre National Hospitalo-Universitaire Hubert Koutoukou Maga, Cotonou, Bénin
                Author notes
                [& ]Auteur correspondant: Zavier Zomalhèto, Service de Rhumatologie, Centre National Hospitalo-Universitaire Hubert Koutoukou Maga, Cotonou, Bénin
                Article
                PAMJ-32-107
                10.11604/pamj.2019.32.107.13477
                6560951
                4226e47c-a2cc-4c10-bcc7-1fc409c0b667
                © Zavier Zomalhèto et al.

                The Pan African Medical Journal - ISSN 1937-8688. 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 work is properly cited.

                History
                : 28 July 2017
                : 30 October 2018
                Categories
                Research

                Medicine
                prévalence,lombalgie,taxi-moto,facteurs associés,porto-novo,prevalence,low back pain,motorcycle drivers,factors associated

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