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Table 2 Risk factors for being diagnosed with STI at screening: results from univariate and multivariate logistic regression models

From: High prevalence and incidence of sexually transmitted infections among women living in Kwazulu-Natal, South Africa

Variable Univariate analysis p-value Multivariate analysis p-value
OR (95% CI) OR (95% CI)
HIV infection status     
HIV negative 1   1  
HIV positive 1.56 (1.34-1.83) <0.0001 1.50 (1.27-1.76) <0.0001
Age (years)     
<25 1.60 (1.33-1.92) 0.000 1.36 (1.11-1.68) 0.003
25 - 34 1.17 (0.95-1.43) 0.137 1.08 (0.87-1.34) 0.480
35+ 1 - 1 -
Education     
Less than high school 1.67 (1.42-1.96) <0.00001 1.75 (1.49-2.06) <0.0001
Marital status     
Not married 2.47 (1.84-3.32) <0.0001 1.60 (1.14-2.24) 0.006
Co-habitation status     
Non-cohabiting 1.73 (1.43-2.07) <0.0001 1.27 (1.03-1.60) 0.024
  1. CI, confidence interval; OR, odds ratio.