From: Group B streptococcal colonization in mothers and infants in western China: prevalences and risk factors
Variables
OR
95% CI
p value
Maternal age (≥40 yrs. vs. < 40 yrsa)
0.30
0.09–0.95
0.040
Ethnicity (minority vs. Han-Zhuanga)
1.62
1.00–2.63
0.049