Volume 6, Number 6—December 2000
Risk Factors for Otitis Media and Carriage of Multiple Strains of Haemophilus influenzae and Streptococcus pneumoniae
|Risk Factor||Carriage of two or more H. influenzae genetic types (N=54) OR (95% CI)|
|Exposed to smoking||3.89 (1.83-8.28)|
|24-35 months||0.60b (0.28-1.27)|
|36-47 months||3.43b (1.35-8.71)|
|48+ months||1.28b (0.49-3.32)|
|Antibiotic use||0.26 (0.07-1.01)|
a Logistic regression performed with the generalized estimating equations (GEE) SAS macro to control for correlation between multiple samples taken from the same children. All risk factors were included in a single model.
b Odds ratios compared with 23-month age group.