Long working hours and change in body weight : analysis of individual-participant data from 19 cohort studies

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Virtanen , M , Jokela , M , Lallukka , T , Hanson , L M , Pentti , J , Nyberg , S T , Alfredsson , L , Batty , G D , Casini , A , Clays , E , DeBacquer , D , Ervasti , J , Fransson , E , Halonen , J I , Head , J , Kittel , F , Knutsson , A , Leineweber , C , Nordin , M , Oksanen , T , Pietiläinen , O , Rahkonen , O , Salo , P , Singh-Manoux , A , Stenholm , S , Suominen , S B , Theorell , T , Vahtera , J , Westerholm , P , Westerlund , H & Kivimäki , M 2020 , ' Long working hours and change in body weight : analysis of individual-participant data from 19 cohort studies ' , International Journal of Obesity , vol. 44 , no. 6 , pp. 1368-1375 . https://doi.org/10.1038/s41366-019-0480-3

Title: Long working hours and change in body weight : analysis of individual-participant data from 19 cohort studies
Author: Virtanen, Marianna; Jokela, Markus; Lallukka, Tea; Hanson, Linda Magnusson; Pentti, Jaana; Nyberg, Solja T.; Alfredsson, Lars; Batty, G. David; Casini, Annalisa; Clays, Els; DeBacquer, Dirk; Ervasti, Jenni; Fransson, Eleonor; Halonen, Jaana I.; Head, Jenny; Kittel, France; Knutsson, Anders; Leineweber, Constanze; Nordin, Maria; Oksanen, Tuula; Pietiläinen, Olli; Rahkonen, Ossi; Salo, Paula; Singh-Manoux, Archana; Stenholm, Sari; Suominen, Sakari B.; Theorell, Töres; Vahtera, Jussi; Westerholm, Peter; Westerlund, Hugo; Kivimäki, Mika
Contributor: University of Helsinki, Department of Psychology and Logopedics
University of Helsinki, Department of Public Health
University of Helsinki, Department of Public Health
University of Helsinki, Department of Public Health
University of Helsinki, Finnish Institute of Occupational Health (TTL)
University of Helsinki, Center for Population, Health and Society
University of Helsinki, Department of Public Health
University of Helsinki, Department of Public Health
Date: 2020-06
Language: eng
Number of pages: 8
Belongs to series: International Journal of Obesity
ISSN: 0307-0565
URI: http://hdl.handle.net/10138/317708
Abstract: Objective To examine the relation between long working hours and change in body mass index (BMI). Methods We performed random effects meta-analyses using individual-participant data from 19 cohort studies from Europe, US and Australia (n = 122,078), with a mean of 4.4-year follow-up. Working hours were measured at baseline and categorised as part time (= 55 h/week (long working hours). There were four outcomes at follow-up: (1) overweight/obesity (BMI >= 25 kg/m(2)) or (2) overweight (BMI 25-29.9 kg/m(2)) among participants without overweight/obesity at baseline; (3) obesity (BMI >= 30 kg/m(2)) among participants with overweight at baseline, and (4) weight loss among participants with obesity at baseline. Results Of the 61,143 participants without overweight/obesity at baseline, 20.2% had overweight/obesity at follow-up. Compared with standard weekly working hours, the age-, sex- and socioeconomic status-adjusted relative risk (RR) of overweight/obesity was 0.95 (95% CI 0.90-1.00) for part-time work, 1.07 (1.02-1.12) for 41-48 weekly working hours, 1.09 (1.03-1.16) for 49-54 h and 1.17 (1.08-1.27) for long working hours (Pfor trend
Subject: CORONARY-HEART-DISEASE
JOB STRAIN
UNPUBLISHED DATA
RISK-FACTORS
MASS INDEX
FOLLOW-UP
METAANALYSIS
OBESITY
PROFILE
GAIN
3121 Internal medicine
3142 Public health care science, environmental and occupational health
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