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Association of Prenatal Participation in a Public Health Nutrition Program With Healthy Infant Weight Gain

Association of Prenatal Participation in a Public Health Nutrition Program With Healthy Infant... Objectives. We tested the hypothesis that early enrollment in the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) is associated with a reduced risk of rapid infant weight gain (RIWG). Methods. We used a longitudinal cohort of mother–infant pairs (n = 157 590) enrolled in WIC in New York State from 2008 to 2009 and estimated the odds of RIWG, defined as a 12-month change in weight-for-age z score of more than .67, comparing infants of mothers enrolled during the first, second, or third trimester of pregnancy with those who delayed enrollment until the postpartum period. Results. After adjusting for potential confounders, the odds of RIWG (odds ratio (OR) = 0.76; 95% confidence interval (CI) = 0.74, 0.79) were significantly lower for infants of women enrolling during the first trimester versus postpartum. Birth weight-for-gestational-age z score (OR = 0.33; 95% CI = 0.32, 0.33) attenuated the estimate of prenatal versus postpartum enrollment (OR = 0.92; 95% CI = 0.88, 0.95; first-trimester enrollees). Conclusions. The results demonstrate that prenatal WIC participation is associated with reduced risk of RIWG between birth and age 1 year. Improved birth weight for gestational age may be the mechanism through which early prenatal WIC enrollment protects against RIWG. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Public Health American Public Health Association

Association of Prenatal Participation in a Public Health Nutrition Program With Healthy Infant Weight Gain

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References (34)

Publisher
American Public Health Association
Copyright
Copyright © 2014 by the American Public Health Association
Subject
RESEARCH AND PRACTICE
ISSN
0090-0036
eISSN
1541-0048
DOI
10.2105/AJPH.2013.301793
pmid
24354825
Publisher site
See Article on Publisher Site

Abstract

Objectives. We tested the hypothesis that early enrollment in the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) is associated with a reduced risk of rapid infant weight gain (RIWG). Methods. We used a longitudinal cohort of mother–infant pairs (n = 157 590) enrolled in WIC in New York State from 2008 to 2009 and estimated the odds of RIWG, defined as a 12-month change in weight-for-age z score of more than .67, comparing infants of mothers enrolled during the first, second, or third trimester of pregnancy with those who delayed enrollment until the postpartum period. Results. After adjusting for potential confounders, the odds of RIWG (odds ratio (OR) = 0.76; 95% confidence interval (CI) = 0.74, 0.79) were significantly lower for infants of women enrolling during the first trimester versus postpartum. Birth weight-for-gestational-age z score (OR = 0.33; 95% CI = 0.32, 0.33) attenuated the estimate of prenatal versus postpartum enrollment (OR = 0.92; 95% CI = 0.88, 0.95; first-trimester enrollees). Conclusions. The results demonstrate that prenatal WIC participation is associated with reduced risk of RIWG between birth and age 1 year. Improved birth weight for gestational age may be the mechanism through which early prenatal WIC enrollment protects against RIWG.

Journal

American Journal of Public HealthAmerican Public Health Association

Published: Feb 1, 2014

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