TABLE 2

RR of Influenza-Related Outcomes in Infants Born to Women Reporting Influenza Vaccine During Pregnancy

Infant OutcomeUnadjusted RR (95% CI)Adjusted RRa (95% CI)
ILI*0.36 (0.26–0.52)0.34 (0.24–0.49)
Hospitalized ILI*0.16 (0.06–0.43)0.16 (0.06–0.43)
Laboratory-confirmed influenza*0.30 (0.19–0.46)0.33 (0.21–0.52)
Hospitalized laboratory-confirmed influenza*0.19 (0.06–0.60)0.17 (0.05–0.55)
  • a Adjusted for age, birth month, insurance type, residence location, and hospital region.

  • * All results significant (P < .005).