• Ryan Gamba, Cindy W Leung, Sylvia Guendelman, Maureen Lahiff, and Barbara A Laraia.
• Division of Epidemiology, UC Berkeley School of Public Health, 101 Haviland Hall, Berkeley, CA, 94720, USA. ryangamba@gmail.com.
• Matern Child Health J. 2016 Nov 1; 20 (11): 2348-2356.

ObjectiveAnalyze the association between household food security status and diet quality during pregnancy.MethodsCross-sectional analysis of pregnant women from the National Health and Nutrition Examination Survey from 1999 to 2008. Of the 1158 pregnant women with complete household food security information, we analyzed 688 women who had complete dietary information and household incomes ≤300 % of the Federal Poverty Level (FPL). Diet quality was measured by the Alternate Healthy Eating Index modified for Pregnancy (AHEI-P) from 1 to 2 24 h dietary recalls. Multivariate linear and logistic regression models were implemented to assess the association between household food security status and AHEI-P, adjusting for age, nativity, marital status, race/ethnicity, education, and household income.ResultsAmong women with household incomes ≤300 % of the FPL, 19 % were food insecure and 4 % were marginally food secure. The mean AHEI-P score was 41.9 (95 % CI 40.4, 43.3). Household food insecurity was not associated with overall diet quality. However, living in a food insecure household compared to a food secure household was associated with a 2.3 (1.3, 4.1) greater odds of having a calcium component score greater than the median intake of calcium scores among food secure women in the sample.Conclusions For PracticeIn a nationally representative sample of pregnant women, 80 % lived in a fully food secure household. Improving household food security during pregnancy is a public health opportunity to improve health outcomes; however household food security status may not be associated with overall diet quality.

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