Table 3: Multivariable Logistic Regression: Factors Associated with Anal Intercourse Among Heterosexual Women at Increased Risk in Chicago

OR 95% CI Wald Test P
Age (Years)
18 – 24 Referent
25 – 34 1.01 (.49-2.09) .972
35 – 44 1.20 (.58-2.48) .615
45 – 50 1.41 (.56-3.55) .472
Unprotected Vaginal Intercourse in the Past 12 Months
No Referent
Yes 1.77 (.64-4.88) .272
3 Sex Partners in the Past 12 Months
No Referent
Yes 3.27 (1.53-6.99) .002
STI Diagnosis in the Past 12 Months
No Referent
Yes 2.13 (1.06-4.26) .033
Age at First Vaginal or Anal Intercourse <15 Years
No Referent
Yes 2.23 (1.28-3.89) .005

CI= confidence interval.
OR= odds ratio.