Maternal work and children's diet, activity, and obesity

Area of Science:

• Pediatric Health
• Sociology of Family
• Public Health Nutrition

Background:

• Maternal employment hours influence children's lifestyle choices.
• Increased maternal work hours may lead to reliance on less healthy food options and increased unsupervised time for children.
• These factors can contribute to unhealthy behaviors and weight gain in children.

Purpose of the Study:

• To examine the association between mothers' weekly work hours and children's dietary habits, physical activity, BMI, and obesity.
• To identify specific behavioral pathways linking maternal work hours to child weight status.
• To investigate potential socioeconomic disparities in this relationship.

Main Methods:

• Utilized data from a national cohort of children.
• Analyzed the relationship between maternal average weekly work hours during school years and children's behaviors and health outcomes in 5th and 8th grade.
• Controlled for socioeconomic status.

Main Results:

• Maternal work hours showed a positive association with children's BMI and obesity, especially in higher socioeconomic status groups.
• Children of mothers working more hours consumed fewer healthy foods (fruits, vegetables) and more unhealthy foods (soda, fast food).
• Increased television watching was observed, while reported physical activity showed a slight increase likely due to organized activities; however, dietary and sedentary behavior changes dominated BMI outcomes.

Conclusions:

• Maternal work hours significantly impact children's diet and activity patterns, contributing to increased BMI and obesity.
• The findings highlight the critical role of diet quality and sedentary behavior in mediating the effects of maternal employment on child weight.
• Interventions should consider supporting healthy eating and limiting sedentary time in families with working mothers, particularly in higher socioeconomic contexts.