The home environment and childhood obesity in low-income households: indirect effects via sleep duration and screen time

نویسندگان

  • Bradley M Appelhans
  • Stephanie L Fitzpatrick
  • Hong Li
  • Vernon Cail
  • Molly E Waring
  • Kristin L Schneider
  • Matthew C Whited
  • Andrew M Busch
  • Sherry L Pagoto
چکیده

BACKGROUND Childhood obesity disproportionally affects children from low-income households. With the aim of informing interventions, this study examined pathways through which the physical and social home environment may promote childhood overweight/obesity in low-income households. METHODS Data on health behaviors and the home environment were collected at home visits in low-income, urban households with either only normal weight (n = 48) or predominantly overweight/obese (n = 55) children aged 6-13 years. Research staff conducted comprehensive, in-person audits of the foods, media, and sports equipment in each household. Anthropometric measurements were collected, and children's physical activity was assessed through accelerometry. Caregivers and children jointly reported on child sleep duration, screen time, and dietary intake of foods previously implicated in childhood obesity risk. Path analysis was used to test direct and indirect associations between the home environment and child weight status via the health behaviors assessed. RESULTS Sleep duration was the only health behavior associated with child weight status (OR = 0.45, 95% CI: 0.27, 0.77), with normal weight children sleeping 33.3 minutes/day longer on average than overweight/obese children. The best-fitting path model explained 26% of variance in child weight status, and included paths linking chaos in the home environment, lower caregiver screen time monitoring, inconsistent implementation of bedtime routines, and the presence of a television in children's bedrooms to childhood overweight/obesity through effects on screen time and sleep duration. CONCLUSIONS This study adds to the existing literature by identifying aspects of the home environment that influence childhood weight status via indirect effects on screen time and sleep duration in children from low-income households. Pediatric weight management interventions for low-income households may be improved by targeting aspects of the physical and social home environment associated with sleep.

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Home environment and childhood obesity 1 The home environment and childhood obesity in low-income households: Indirect effects via sleep duration and screen time

BACKGROUND: Childhood obesity disproportionally affects children from low-income households. With the aim of informing intervention, this study examined pathways through which the physical and social home environment may promote childhood overweight/obesity in low-income households. METHODS: Data on health behaviors and the home environment were collected at home visits in low-income, urban hou...

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عنوان ژورنال:

دوره 14  شماره 

صفحات  -

تاریخ انتشار 2014