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Table 2 Association of the revised WIC food package with women’s and children’s health

From: Effects of the revised WIC food package on women’s and children’s health: a quasi-experimental study

 

Primary analysis

WIC eligible

Month-specific fixed effects

Group-specific trends

Household kids under 5

Women’s health outcomes

Body mass index

-0.14

[-0.57, 0.30]

-0.15

[-0.57, 0.27]

-0.13

[-0.56, 0.30]

0.22

[-0.69, 1.12]

-0.14

[-0.57, 0.30]

Self-reported health

-0.00

[-0.01, 0.02]

-0.01

[-0.03, 0.01]

0.00

[-0.01, 0.02]

-0.02

[-0.04, 0.01]

0.00

[-0.01, 0.02]

Children’s health outcomes

Anemia

0.00

[-0.01, 0.00]

0.00

[-0.00, 0.01]

0.00

[-0.01, 0.00]

-0.01

[-0.02, 0.01]

--

Parent-reported health

0.00

[-0.00, 0.00]

0.00

[-0.01, 0.01]

0.00

[-0.00, 0.01]

0.00

[-0.02, 0.01]

--

Mental Health Indicator

0.05

[-0.23, 0.14]

-0.09

[-0.28, 0.10]

-0.04

[-0.24, 0.15]

-0.02

[-0.40, 0.37]

--

  1. Note: The study sample was drawn from the National Health Interview Survey for years 1998–2017. Difference-in-differences analysis was conducted adjusting for age, parent marital status, family size, parental education, race/ethnicity, and family income, and additionally included fixed effects for state and year. Values above represent the coefficients and 95% confidence interval on the interaction term between WIC receipt and whether the interview date occurred after the implementation of the WIC food package revision, thereby capturing the effect of the revised WIC food package on each outcome. Abbreviations: WIC, Special Supplemental Nutrition Program for Women, Infants, and Children