Table 4 Multivariate association of factors with prevalent infection of any HPV and any HR-HPV

Age at enrollment:

 <26

1.0

1.0

1.0

1.0

 26-30

0.89 (0.68, 1.16)

0.73 (0.49, 1.06)

0.99 (0.46, 2.11)

0.99 (0.46, 2.11)

 31-33

1.02 (0.77, 1.37)

0.72 (0.47, 1.09)

0.51 (0.19, 1.35)

0.51 (0.19, 1.35)

 34-38

0.95 (0.70, 1.29)

0.73 (0.48, 1.13)

0.35 (0.12, 1.03)

0.35 (0.12, 1.03)

Cumulative use of COCs*:

 Never

1.0

1.0

1.0

1.0

 <4 years

1.17 (0.87, 1.58)

1.06 (0.71, 1.59)

0.50 (0.22, 1.10)

0.49 (0.22, 1.10)

 4-6 years

1.21 (0.87, 1.69)

1.24 (0.79, 1.94)

1.03 (0.46, 2.32)

1.03 (0.46, 2.33)

 >6 years

2.03 (1.39, 2.96)

2.47 (1.45, 4.19)

1.16 (0.39, 3.45)

1.16 (0.39, 3.45)

# lifetime partners

 1

1.0

1.0

1.0

1.0

 2

1.66 (1.29, 2.14)

1.21 (0.80, 1.82)

1.05 (0.43, 2.57)

1.05 (0.43, 2.57)

 3

1.54 (1.04, 2.26)

1.25 (0.69, 2.28)

1.99 (0.67, 5.89)

1.99 (0.67, 5.89)

 ≥4

2.02 (1.54, 2.66)

1.98 (1.35, 2.91)

1.97 (0.87, 4.45)

1.97 (0.87, 4.45)

Primary partner had sex w/others:

 No

1.0

1.0

1.0

1.0

 Yes

1.42 (1.05, 1.91)

1.35 (0.89, 2.04)

2.32 (0.98, 5.50)

2.32 (0.98, 5.50)

 Don’t Know

1.29 (1.02, 1.64)

1.34 (0.94, 1.91)

1.48 (0.69, 3.15)

1.48 (0.69, 3.15)

Chlamydia infection ever:

 No

1.0

1.0

1.0

1.0

 Yes

1.32 (1.04, 1.66)

1.74 (1.27, 2.38)

1.25 (0.54, 2.92)

1.25 (0.54, 2.92)

Bacterial Vaginosis at enrollment:

 No

1.0

1.0

1.0

1.0

 Yes

2.11 (1.54, 2.91)

1.98 (1.28, 3.06)

2.28 (0.96, 5.39)

2.28 (0.96, 5.39)