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Table 3 Factors associated with herpes simplex virus type-2 seropositivity in the bivariate analysis among the HIV-negative high-risk MSM that participated in the cross-sectional study.

From: Seroprevalence and factors associated with herpes simplex virus type 2 among HIV-negative high-risk men who have sex with men from Rio de Janeiro, Brazil: a cross-sectional study

Characteristic

PR

95%CI

p-value

Age

   

≤ 26

1.00

  

> 26

1.54

1.24–1.92

< 0.001

Race

   

White

1.00

  

Non-white

1.36

1.09–1.70

0.005

Educational level

   

≤ 8 years

1.16

0.93–1.45

0.16

> 8 years

1.00

  

Working

   

No

1.00

  

Yes

1.07

0.84–1.35

0.553

Living with a partner

   

Yes

1.41

1.14–1.37

0.001

No

1.00

  

Marital status

   

Not married

1.00

  

Married

1.05

0.96–1.15

0.264

Sexual orientation

   

Homosexual

1.00

  

Bisexual

1.04

0.83–1.29

0.708

Age at first sexual intercourse

   

≤ 15 years

1.21

0.94–1.56

0.122

> 15 years

1.00

  

Age at first sexual intercourse with man

   

≤ 15 years

1.28

1.00–1.63

0.045

> 15 years

1.00

  

Age at first sexual intercourse with woman

   

≤ 15 years

1.05

0.82–1.33

0.683

> 15 years

1.00

  

First sexual intercourse with

   

Man

1.05

0.86–1.39

0.448

Woman

1.00

  

Exchange of sex for money

   

Never

1.00

  

Sometimes

1.09

0.88–1.35

0.407

Sex with a woman

   

Never

1.00

  

Sometimes

1.08

0.85–1.37

0.499

Sex with a woman in the past 6 months

   

No

1.00

  

Yes

1.02

0.82–1.28

0.82

Occasional male partner in the past 6 months

   

No

1.00

  

Yes

1.1

0.87–1.39

0.394

Stable male partner in the past 6 months

   

No

1.00

  

Yes

1.27

1.02–1.60

0.032

Unprotected anal sex with stable male partner in the past 6 months

   

No

1.00

  

Yes

1.2

0.97–1.49

0.088

Unprotected anal sex with occasional male partner in the past 6 months

   

No

1.00

  

Yes

0.86

0.67–1.10

0.236

Unprotected vaginal sex with stable female partner in the past 6 months

   

No

1.00

  

Yes

1.17

0.90–1.51

0.223

Unprotected anal sex with stable female partner in the past 6 months

   

No

1.00

  

Yes

1.46

1.11–1.93

0.006

Unprotected vaginal sex with occasional female partner in the past 6 months

   

No

1.00

  

Yes

0.83

0.57–1.19

0.313

Unprotected anal sex with occasional female partner in the past 6 months

   

No

1.00

  

Yes

0.7

0.43–1.12

0.142

Alcohol use during sexual encounter in the past 6 months

   

No

1.00

  

Yes

1.21

0.97–1.52

0.085

Active syphilis*

   

No

1.00

  

Yes

1.3

0.94–1.79

0.107

Positive serology for syphilis*

   

No

1.00

  

Yes

1.75

1.43–2.15

< 0.001

Hepatitis B**

   

No

1.00

  

Yes

1.65

1.33–2.05

< 0.001

  1. * Active syphilis implies that the antibody titer with the VDRL test was ≥ 1/8 and the TPHA was positive, while positive serology for syphilis implies that the VDRL test was not reactive or < 1/8 and TPHA was positive.
  2. ** Positive serology for hepatitis B was assessed by the detection of antibodies to the hepatitis B core antigen (anti-HBC) indicating previous infection.