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Table 1 Differences in demographics between WIC and non-WIC mothers of infants, 2007–2010, MA PRAMS, USA

From: Using surveillance data to inform a SUID reduction strategy in Massachusetts

Category Demographic % WIC mothers (n w = 102,948) % Non-WIC mothers (n w = 173,304) Chi-square P value
Marital status Married 31.8 84.8 <0.001
Single 68.2 15.2
Maternal age (years) <20 13.6 1.6 <0.001
20-29 59.5 31.2
30-39 25.0 62.0
40+ 1.9 5.2
Maternal education < High School 22.5 2.5 <0.001
≥ High School 77.5 97.5
Household Income- Federal Poverty Level (FPL) > 100% FPL 47.5 94.5 <0.001
≤ 100% FPL 52.5 5.5
Preferred language English preferred 78.2 96.3 <0.001
Parity No previous births 47.3 50.3 0.0997
Yes previous Births 52.7 49.7
Maternal race/Ethnicity White, non Hispanic 44.9 81.5 <0.001
Black, non Hispanic 16.4 3.9
Hispanic 30.3 4.9
Asian, non Hispanic 6.3 8.9
  Other 2.1 0.7
  1. nw: weighted sample size.