TABLE 2.

Unadjusted Child Health Outcomes According to WIC Participation

Outcome VariablesNo WIC (Access Problems) (N = 340)No WIC (No Perceived Need) (N = 188)WIC (N = 5,395)P Value*
Weight-for-age z score−0.36 ± 1.280.10 ± 1.370.002 ± 1.29<.0001
 95% CI−0.50, −0.22−0.08, 0.29−0.03, 0.04
P value<.0001.29
Length-for-age z score−0.41 ± 0.090.30 ± 1.24−0.006 ± 0.02<.0001
 95% CI−0.57, −0.26−0.09, 0.51−0.05, 0.03
P value<.0001.005
Overweight
 % Weight-for-length ≥95th percentile879.65
 Odds ratio0.840.791.00
 95% CI0.50, 1.390.38, 1.64
P value.49.52
Caregiver perception of infant health
 % Fair/poor161011.03
 Odds ratio1.480.891.00
 95% CI1.09, 2.010.55, 1.45
P value.01.65
Household Food Security
 % Insecure281123.0001
 Odds ratio1.290.401.00
 95% CI1.01, 1.640.21, 0.77
P value.05.0002
  • CI, confidence interval.

  • * Three-group comparison.

  • Two-group comparison (each level versus reference group).