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Table 4 Factors associated with sexually transmitted diseases diagnosis among MSM. INI/FIOCRUZ, Rio de Janeiro, Brazil

From: Chlamydia trachomatis, Neisseria gonorrhoeae and syphilis among men who have sex with men in Brazil

Characteristics

PRa (CI 95 %)

NAPRb

P value

APRc

P value

Age (each ten years)

0.82 (0.64-1.05)

0.110d

0.78 (0.60-1.00)

0.049

Less than 11 years of schooling

0.96 (0.54-1.71)

0.885

-

-

Skin color – Non White

1.00 (0.62-1.62)

0.996

-

-

No. of male sexual partners in the last 12 months (each ten partners)

1.01 (1.00-1.02)

0.095d

  

Had a female sexual partner in the last 12 months

1,19 (0,59-2,39)

0,623

-

-

Had a stable partner in the in the last 3 months

1.01 (0.62-1.63)

0.977

-

-

HIV-positive male sexual partner in the last 3 months

1.46 (0.88-2.42)

0.146d

-

-

High from alcohol use before/during sex in the last 3 months

0.95 (0.58-1.54)

0.832

-

-

Stimulant use before/during sex in the last 3 months

1.52 (0.86-2.70)

0.148d

-

-

Commercial sex in the last 3 months

1.21 (0.75-1.95)

0.431

-

-

Anal intercourse with men in the last 3 months (Ref: Only insertive)

    

Only receptive

0.55 (0.19-1.55)

0.255

-

-

Both

1.20 (0.60-2.42)

0.606

-

-

None sexual partner

1.21 (0.52-2.83)

0.658

-

-

Unprotected anal sex with men in the last 3 months

1.21 (0.74-1.97)

0.447

-

-

HIV infected

1.72 (0.91-3.24)

0.094d

2.05 (1.03-4.08)

0.040

  1. aPR = Prevalence Ratio
  2. bNAPR = Non-Adjusted Prevalence Ratio
  3. cAPR = Adjusted Prevalence Ratio; 260 participants were included in the multivariate models; 15/275 (5.4 %) had missing data in at least one covariate
  4. d Variables with P < 0.25 in univariate analysis and were entered in the initial multivariate model