The Association between Household Food Insecurity and Body Mass Index: A Prospective Growth Curve Analysis - 23/10/18
, Tricia K. Neppl, PhD, Yoojin Lee, MS, Olivia N. Diggs, MS, Daniel Russell, PhDAbstract |
Objective |
To examine the association between food insecurity and body mass index (BMI) from early adolescence to adulthood.
Study design |
Growth curve analyses were performed. Sex differences were examined by conducting the analyses separately by sex. Ten data points were examined over a 16-year period from age 15 to 31 years. Data were obtained from the Family Transitions Project, a longitudinal study of 559 adolescents and their families that was initiated in 1989 in the Midwest. Primarily rural, non-Hispanic whites were selected based on the economic farm crisis. We examined participants from adolescence to adulthood from 1991 through 2007. Measures included a 2-item food insecurity construct and BMI as indicated by self-reported height and weight from adolescence through middle adulthood. These associations were analyzed using prospective growth curve modeling.
Results |
Our analyses indicated a general increase in BMI with age, whereas food insecurity declined over time. Higher levels of food insecurity at age 15 years led to a more rapid increase in BMI. Finally, a positive relationship was found between the changes in food insecurity and BMI over time. These associations held only for females.
Conclusion |
Our results argue for increasing access to food during key developmental periods such as early adolescence, which could help reduce the long-term implications for health, particularly BMI in girls.
Le texte complet de cet article est disponible en PDF.Keywords : obesity, economics, adolescence, rural, gender
Abbreviations : BIC, BMI, ISPP, IYFP
Plan
| Supported by grants from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, the National Institute of Mental Health, and the American Recovery and Reinvestment Act (HD064687, HD051746, MH051361, and HD047573). The content is solely the responsibility of the authors and does not necessarily represent the official views of the funding agencies. Support for earlier years of the study was provided the National Institute of Mental Health (Grants MH00567, MH19734, MH43270, MH59355, MH62989, and MH48165), the National Institute on Drug Abuse (Grant DA05347), the National Institute of Child Health and Human Development (Grant HD027724), the Bureau of Maternal and Child Health (Grant MCJ-109572), and the MacArthur Foundation Research Network on Successful Adolescent Development Among Youth in High-Risk Settings. This research is also supported by an Iowa State University College of Human Sciences Small Grant and by US Department of Agriculture Hatch Projects Grant IOW03816. The authors declare no conflicts of interest. |
Vol 202
P. 115 - novembre 2018 Retour au numéro
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