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Cumulative Risk Exposure and Waist Circumference in Preschool-Aged Children: The Mediating Role of Television and Moderating Role of Sex
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8 2017
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Source: Ann Behav Med. 51(4):489-499
[PDF-849.99 KB]
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Alternative Title:Ann Behav Med
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Description:Background
Children exposed to multiple stressors are more likely to be overweight, but little is known about the mechanisms explaining this association.
Purpose
This cross-sectional study examined whether children exposed to multiple stressors had higher waist circumference, and whether this association was mediated through children’s television time.
Methods
Participants were 319 parent-child dyads. Children were 2–5 years old and had at least one overweight parent (BMI ≥ 25 kg/m2). Data were collected at baseline of a larger childhood obesity prevention study and included information on psychosocial stressors (e.g., parenting stress), demographic stressors (e.g., low income), children’s television time, and children’s waist circumference. Two cumulative risk scores were created by summing stressors in each domain (demographic and psychosocial). Mediation and moderated mediation analyses were conducted.
Results
Indirect effects of both cumulative risk scores on waist circumference through television time were not significant; however, moderated mediation analyses found significant moderation by gender. The indirect effects of both risk scores on waist circumference through television time were significant and positive for girls, but near-zero for boys.
Conclusions
Reducing television time should be explored as a strategy for buffering against the negative health effects of exposure to multiple stressors among girls. Longitudinal and intervention research is needed to confirm these results, and to identify mediating factors between cumulative risk and body weight among boys.
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Pubmed ID:28097514
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Pubmed Central ID:PMC5513794
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