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Association of prenatal participation in a public health nutrition program with healthy infant weight gain

Author

Listed:
  • Edmunds, L.S.
  • Sekhobo, J.P.
  • Dennison, B.A.
  • Chiasson, M.A.
  • Stratton, H.H.
  • Davison, K.K.

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.

Suggested Citation

  • Edmunds, L.S. & Sekhobo, J.P. & Dennison, B.A. & Chiasson, M.A. & Stratton, H.H. & Davison, K.K., 2014. "Association of prenatal participation in a public health nutrition program with healthy infant weight gain," American Journal of Public Health, American Public Health Association, vol. 104(S1), pages 35-42.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2013.301793_0
    DOI: 10.2105/AJPH.2013.301793
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    Cited by:

    1. Katherine Meckel & Maya Rossin-Slater & Lindsey Uniat, 2023. "Efficiency versus Equity in the Provision of In-Kind Benefits: Evidence from Cost Containment in the California WIC Program," Journal of Human Resources, University of Wisconsin Press, vol. 58(2), pages 363-392.

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