Table 5.

Multivariate Analysis of Risk Factors for Penicillin-resistant InvasiveS pneumoniae Infections (52 Penicillin-resistant Cases, 280 Control Subjects)

Age
Group
CovariateAdjusted
OR*
95%
CIs
2–59 MoRecent day care attendance3.791.85, 7.77
At least one recent course
of antibiotics
3.081.28, 7.40
At least one recent ear infection2.381.05, 5.42
  • * Adjusted for age.