Evolution of medication consumption in a working environment in France: Results of the four waves of the "Drugs and Work" study (1986-2016).

Objectives: Previous studies in the working environment have underlined the high prevalence of drug consumption. The aim of this study was to present the main characteristics of this consumption in French workers and to identify changes from the 1986, 1996, 2006 and 2016 surveys.

Methods: The design was a repeated cross-sectional study in 1986, 1996, 2006 and 2016.

Contribution of occupational factors to the incidence and persistence of chronic low back pain among workers: results from the longitudinal VISAT study.

Objective: Among the aetiological factors of chronic low back pain (CLBP), occupational factors are often suspected, but their contribution remains to be ascertained. This study aimed to determine the impact of a wide range of occupational factors on the incidence and persistence of CLBP.

Method: From the VISAT (VIeillissement SAnté Travail) study, 1560 workers were examined at baseline and 5 years later.

Shift work and cardiovascular risk factors: new knowledge from the past decade.

Cardiovascular diseases remain a major public health problem. The involvement of several occupational factors has recently been discussed, notably the organization of work schedules, e.g.

[Profile of psychoactive substances consumption in workplace].

Purpose: The aim of this study was to identify profiles of psychoactive substances consumers among workers according to their professional characteristics.

Methods: In 2006, 2213 workers participated in "Mode de Vie et Travail" (Drugs and Work) cross-sectional survey. Data were collected by a self-administered questionnaire concerning general and professional characteristics and the consumption of psychoactive substances (psychoactive drugs, tobacco, alcohol and cannabis) during the professional medical visit.

Factors associated with psychoactive drug initiation in a sample of workers in France: results of the VISAT cohort study.

Purpose: To identify which psychosocial factors at work are associated with the initiation of psychoactive drug use in a cohort of healthy French workers.

Method: This study used data collected from the VISAT ('Vieillissement, Santé, Travail') cohort which included workers aged 32, 42, 52 and 62 years in 1996 with follow-ups conducted over the following 5 years. Data were collected through interviews and five standardized questionnaires in annual occupational medical examinations in 1996, 1999 and 2001.