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Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package on Healthy Food Availability, Accessibility, and Affordability in Texas.
J Acad Nutr Diet. 2016 Feb; 116(2):292-301.JA

Abstract

BACKGROUND

The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) was implemented to improve the health of pregnant women and children of low socioeconomic status. In 2009, the program was revised to provide a wider variety of healthy food choices (eg, fresh fruits, vegetables, and whole-grain items).

OBJECTIVES

The purpose of this study was to evaluate (1) the impact of the revised WIC Nutrition Program's food allocation package on the availability, accessibility, and affordability of healthy foods in WIC-authorized grocery stores in Texas; and (2) how the impact of the policy change differed by store types and between rural and urban regions.

DESIGN

WIC-approved stores (n=105) across Texas were assessed using a validated instrument (88 items). Pre- (June-September 2009) and post-new WIC package implementation (June-September 2012) audits were conducted. Paired-sample t tests were conducted to compare the differences between pre- and post-implementation audits on shelf width and number of varieties (ie, availability), visibility (ie, accessibility), and inflation-adjusted price (ie, affordability).

RESULTS

Across the 105 stores, post-implementation audits showed increased availability in terms of shelf space for most key healthy food options, including fruit (P<0.001), vegetables (P<0.01), cereal (P<0.001), and varieties of vegetables (P<0.001). Food visibility increased for fresh juices (P<0.001). Visibility of WIC labeling improved for foods such as fruits (P<0.05), WIC cereal (P<0.05), and whole-grain or whole-wheat bread (P<0.01). Inflation-adjusted prices decreased only for bread (P<0.001) and dry grain beans (P<0.001). The positive effects of the policy change on food availability and visibility were observed in stores of different types and in different locations, although smaller or fewer effects were noted in small stores and stores in rural regions.

CONCLUSIONS

Implementation of the revised WIC food package has generally improved availability and accessibility, but not affordability, of healthy foods in WIC-authorized stores in Texas. Future studies are needed to explore the impact of the revised program on healthy food option purchases and consumption patterns among Texas WIC participants.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

26673523

Citation

Lu, Wenhua, et al. "Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package On Healthy Food Availability, Accessibility, and Affordability in Texas." Journal of the Academy of Nutrition and Dietetics, vol. 116, no. 2, 2016, pp. 292-301.
Lu W, McKyer ELJ, Dowdy D, et al. Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package on Healthy Food Availability, Accessibility, and Affordability in Texas. J Acad Nutr Diet. 2016;116(2):292-301.
Lu, W., McKyer, E. L. J., Dowdy, D., Evans, A., Ory, M., Hoelscher, D. M., Wang, S., & Miao, J. (2016). Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package on Healthy Food Availability, Accessibility, and Affordability in Texas. Journal of the Academy of Nutrition and Dietetics, 116(2), 292-301. https://doi.org/10.1016/j.jand.2015.10.021
Lu W, et al. Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package On Healthy Food Availability, Accessibility, and Affordability in Texas. J Acad Nutr Diet. 2016;116(2):292-301. PubMed PMID: 26673523.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluating the Influence of the Revised Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Food Allocation Package on Healthy Food Availability, Accessibility, and Affordability in Texas. AU - Lu,Wenhua, AU - McKyer,E Lisako J, AU - Dowdy,Diane, AU - Evans,Alexandra, AU - Ory,Marcia, AU - Hoelscher,Deanna M, AU - Wang,Suojin, AU - Miao,Jingang, Y1 - 2015/12/08/ PY - 2015/06/11/received PY - 2015/10/22/accepted PY - 2015/12/18/entrez PY - 2015/12/18/pubmed PY - 2016/6/9/medline KW - Food accessibility KW - Food affordability KW - Food availability KW - Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food package SP - 292 EP - 301 JF - Journal of the Academy of Nutrition and Dietetics JO - J Acad Nutr Diet VL - 116 IS - 2 N2 - BACKGROUND: The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) was implemented to improve the health of pregnant women and children of low socioeconomic status. In 2009, the program was revised to provide a wider variety of healthy food choices (eg, fresh fruits, vegetables, and whole-grain items). OBJECTIVES: The purpose of this study was to evaluate (1) the impact of the revised WIC Nutrition Program's food allocation package on the availability, accessibility, and affordability of healthy foods in WIC-authorized grocery stores in Texas; and (2) how the impact of the policy change differed by store types and between rural and urban regions. DESIGN: WIC-approved stores (n=105) across Texas were assessed using a validated instrument (88 items). Pre- (June-September 2009) and post-new WIC package implementation (June-September 2012) audits were conducted. Paired-sample t tests were conducted to compare the differences between pre- and post-implementation audits on shelf width and number of varieties (ie, availability), visibility (ie, accessibility), and inflation-adjusted price (ie, affordability). RESULTS: Across the 105 stores, post-implementation audits showed increased availability in terms of shelf space for most key healthy food options, including fruit (P<0.001), vegetables (P<0.01), cereal (P<0.001), and varieties of vegetables (P<0.001). Food visibility increased for fresh juices (P<0.001). Visibility of WIC labeling improved for foods such as fruits (P<0.05), WIC cereal (P<0.05), and whole-grain or whole-wheat bread (P<0.01). Inflation-adjusted prices decreased only for bread (P<0.001) and dry grain beans (P<0.001). The positive effects of the policy change on food availability and visibility were observed in stores of different types and in different locations, although smaller or fewer effects were noted in small stores and stores in rural regions. CONCLUSIONS: Implementation of the revised WIC food package has generally improved availability and accessibility, but not affordability, of healthy foods in WIC-authorized stores in Texas. Future studies are needed to explore the impact of the revised program on healthy food option purchases and consumption patterns among Texas WIC participants. SN - 2212-2672 UR - https://www.unboundmedicine.com/medline/citation/26673523/Evaluating_the_Influence_of_the_Revised_Special_Supplemental_Nutrition_Program_for_Women_Infants_and_Children__WIC__Food_Allocation_Package_on_Healthy_Food_Availability_Accessibility_and_Affordability_in_Texas_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S2212-2672(15)01626-3 DB - PRIME DP - Unbound Medicine ER -