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Table 2 Multivariate logistic regression analysis of risk factors associated with GBS colonization among pregnant women

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
  1. OR odds ratio, 95%CI 95% confidence interval
  2. aindicates the reference group in the calculation of OR