Meghan R Longacre1, Keith M Drake2, Linda J Titus3, Karen E Peterson4, Michael L Beach5, Gail Langeloh6, Kristy Hendricks6, Madeline A Dalton7. 1. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Pediatrics, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA. Electronic address: Meghan.R.Longacre@dartmouth.edu. 2. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Greylock McKinnon Associates, Cambridge, MA, USA. 3. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Community and Family Medicine, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA. 4. Human Nutrition Program, School of Public Health, University of Michigan, Ann Arbor, MI, USA; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. 5. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Anesthesiology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA. 6. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Pediatrics, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA. 7. Community Health Research Program, The Hood Center for Children and Families, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Pediatrics, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA; Department of Community and Family Medicine, The Geisel School of Medicine at Dartmouth, Lebanon, NH, USA.
Abstract
OBJECTIVE: The aim of this study is to examine whether school food attenuates household income-related disparities in adolescents' frequency of fruit and vegetable intake (FVI). METHOD:Telephone surveys were conducted between 2007 and 2008 with adolescent-parent dyads from Northern New England; participants were randomly assigned to be surveyed at different times throughout the year. The main analysis comprised 1542 adolescents who typically obtained breakfast/lunch at school at least once/week. FVI was measured using 7-day recall of the number of times adolescents consumed fruits and vegetables. Fully adjusted linear regression was used to compare FVI among adolescents who were surveyed while school was in session (currently exposed to school food) to those who were surveyed when school was not in session (currently unexposed to school food). RESULTS:Mean FVI was 8.0 (SD=5.9) times/week. Among adolescents unexposed to school food, household income and FVI were strongly, positively associated. In contrast, among adolescents exposed to school food, FVI was similar across all income categories. We found a significant cross-over interaction between school food and household income in which consuming food at school was associated with higher FVI among adolescents from low-income households versus lower FVI among adolescents from high-income households. CONCLUSION: School food may mitigate income disparities in adolescent FVI. The findings suggest that the school food environment positively influences FVI among low-income adolescents.
RCT Entities:
OBJECTIVE: The aim of this study is to examine whether school food attenuates household income-related disparities in adolescents' frequency of fruit and vegetable intake (FVI). METHOD: Telephone surveys were conducted between 2007 and 2008 with adolescent-parent dyads from Northern New England; participants were randomly assigned to be surveyed at different times throughout the year. The main analysis comprised 1542 adolescents who typically obtained breakfast/lunch at school at least once/week. FVI was measured using 7-day recall of the number of times adolescents consumed fruits and vegetables. Fully adjusted linear regression was used to compare FVI among adolescents who were surveyed while school was in session (currently exposed to school food) to those who were surveyed when school was not in session (currently unexposed to school food). RESULTS: Mean FVI was 8.0 (SD=5.9) times/week. Among adolescents unexposed to school food, household income and FVI were strongly, positively associated. In contrast, among adolescents exposed to school food, FVI was similar across all income categories. We found a significant cross-over interaction between school food and household income in which consuming food at school was associated with higher FVI among adolescents from low-income households versus lower FVI among adolescents from high-income households. CONCLUSION: School food may mitigate income disparities in adolescent FVI. The findings suggest that the school food environment positively influences FVI among low-income adolescents.
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