Table 2.

RRs and 95% CIs for the association between infection with different grouped HPV types and new sexual partners

HPV groupCategoriesInitial infectionReinfection
Crude RR (95% CI)Adjusted RR (95% CI)*with the same typewith a different type
Crude RR (95% CI)Adjusted RR (95% CI)*Crude RR (95% CI)Adjusted RR (95% CI)*
All types2.6 (2.1–3.3)2.4 (2.0–3.1)6.0 (2.0–18.6)3.7 (1.1–13.8)2.7 (1.7–4.3)2.3 (1.5–3.7)
Species32.8 (2.0–3.9)2.5 (1.8–3.5)3.6 (0.8–15.4)4.7 (0.5–46.3)1.1 (0.3–3.6)1.3 (0.4–5.0)
53.2 (2.2–4.8)2.5 (1.6–3.8)3.2 (0.3–35.5)2.0 (0.1–31.8)
63.7 (2.7–5.2)3.4 (2.5–4.8)4.1 (0.8–22.4)3.6 (0.3–52.9)
73.1 (2.3–4.2)2.5 (1.8–3.4)3.6 (1.2–10.3)2.1 (0.7–6.4)
92.9 (2.2–3.7)2.4 (1.8–3.2)1.5 (0.2–12.6)1.5 (0.2–14.0)3.1 (1.4–6.7)2.7 (1.2–6.1)
103.3 (2.3–5.0)2.9 (1.9–4.3)
Group13.6 (2.6–5.1)3.2 (2.2–4.5)2.2 (0.2–21.1)2.9 (0.1–63.5)
22.8 (2.3–3.6)2.6 (2.1–3.3)2.7 (0.6–12.1)2.5 (0.5–20.6)2.6 (1.5–4.5)2.0 (1.1–3.6)
32.5 (1.8–3.4)2.2 (1.6–3.1)4.0 (0.9–17.0)4.2 (0.7–25.3)0.9 (0.3–3.0)0.8 (0.2–2.8)

NOTE: RRs and their respective 95% CIs obtained via Cox regression modeling with time-dependent covariates. Referent group: women who reported not having a new sexual partner. Ludwig-McGill cohort, Brazilian women (1993–2004).

  • *Adjusted for empirical confounders. See text for details.