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Are Mothers' Working Hours Associated with General and Abdominal Obesity in Children and Adolescents? The Korean National Health and Nutrition Examination Survey (2008-2012)

 Juyeong Kim  ;  Eun-Cheol Park  ;  Young Choi  ;  Sohee Park 
 MATERNAL AND CHILD HEALTH JOURNAL , Vol.22(4) : 474-484, 2018 
Journal Title
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Body mass index ; Child obesity ; Dietary behaviors ; Mothers' working hours ; Waist circumference
Objectives Despite an increase in the female work force and recent increase in childhood obesity, the association between working hours of mothers and childhood obesity as well as how such association differs according to mothers' weight and intake frequency of energy-dense, nutrition-poor (EDNP) foods remain unclear. Methods Data from the Korean National Health and Nutrition Examination Survey (2008-2012) that included samples from 3914 children in 2526 households were analyzed. Two-level (household-children) mixed-effects modeling was performed to investigate the association between mothers' working hours and childhood obesity based on body mass index (BMI) and waist circumference (WC). Results Long working hours (h) of mothers were associated with both BMI (beta = - 0.14; P = 0.324 for 1-20 h, beta = 0.10; P = 0.334 for </= 21-40 h; beta = 0.09; P = 0.429 for 41-68 h, beta = 0.51; P = 0.015 for >/= 69 h) and WC of the child (beta = 0.06; P = 0.809 for 1-20 h; beta = 0.46; P = 0.017 for </= 21-40 h; beta = 0.59; P = 0.004 for 41-68 h, beta = 1.35; P < 0.001 for >/= 69 h), and the mean increase was greater for mothers working >/= 69 h compared to those working 0 h. We also observed that the association between mothers' working hours and child's BMI and WC was greater for children whose mothers were either overweight or obese and frequently consumed energy-dense, nutrient-poor foods (EDNP). Conclusions for Practice Long working hours of mothers are associated with higher BMI and WC in children. Thus, it is important to improve labor welfare for mothers who work long hours, and provide interventions to promote good health behaviors in both children and working mothers.
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4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Park, So Hee(박소희) ORCID logo https://orcid.org/0000-0001-8513-5163
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
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