Table 3.
aModel 3 was adjusted for the following characteristics: maternal age; education; parity; prenatal care; insurance coverage; participation in the Special Supplemental Nutrition Program for Women, Infants, and Children; provider recommendation/offer; and state from which data were collected.
pH1N1 = pandemic influenza A(H1N1)pdm09
PRAMS = Pregnancy Risk Assessment Monitoring System
PR = prevalence ratio
CI = confidence interval
Ref. = reference group