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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Sex Transm Infect. 2012 May 24;89(2):122–127. doi: 10.1136/sextrans-2012-050524

Table 3.

Adjusted prevalence risk ratios (adjPRR) for human papillomavirus infection

HIV-negative men
adjPRR (95% CI)
All men
adjPRR (95% CI)
HIV status
  Negative 1.00 (referent)
  Positive 1.80 (1.60 to 2.02)
Herpes simplex virus type 2 status
  Persistent negative 1.00 (referent)
  Enrolment indeterminate 1.03 (0.87 to 1.23)
  Prevalent positive or seroconverter 1.05 (0.92 to 1.19)
Age (years)
  15–19 1.00 (referent) 1.00 (referent)
  20–24 1.13 (0.79 to 1.60) 1.12 (0.81 to 1.55)
  25–29 1.01 (0.70 to 1.45) 0.96 (0.69 to 1.33)
  30–34 0.82 (0.56 to 1.22) 0.84 (0.60 to 1.18)
  35+ 0.66 (0.43 to 1.00) 0.80 (0.57 to 1.11)
Education
  No education 1.00 (referent) 1.00 (referent)
  Primary 0.96 (0.71 to 1.31) 1.02 (0.84 to 1.23)
  Secondary or higher 0.70 (0.49 to 0.99) 0.84 (0.67 to 1.06)
Non-marital relationships
  No 1.00 (referent) 1.00 (referent)
  Yes 1.15 (0.95 to 1.40) 1.07 (0.95 to 1.21)
Age at sexual debut (years)
  ≤15 1.00 (referent) 1.00 (referent)
  16–19 1.14 (0.95 to 1.36) 1.04 (0.92 to 1.16)
  ≥20 1.18 (0.89 to 1.57) 1.18 (1.00 to 1.39)
Lifetime number of sexual partners
  0–2 1.00 (referent) 1.00 (referent)
  3–5 1.21 (0.93 to 1.58) 1.20 (0.96 to 1.50)
  6–10 1.27 (0.95 to 1.70) 1.22 (0.96 to 1.54)
  11+ 1.33 (0.95 to 1.87) 1.30 (1.01 to 1.66)
Number of sexual partners during past year
  None 0.37 (0.13 to 1.02) 0.47 (0.23 to 0.94)
  1 1.00 (referent) 1.00 (referent)
  2+ 2.83 (1.00 to 8.04) 1.05 (0.93 to 1.18)
Condom use in the past year
  None 1.00 (referent) 1.00 (referent)
  Consistent use 1.45 (1.09 to 1.93) 1.31 (1.08 to 1.60)
  Inconsistent use 1.18 (0.97 to 1.43) 1.10 (0.98 to 1.24)
Drink alcohol
  No 1.00 (referent)
  Yes 0.98 (0.84 to 1.14)
Alcohol use with sexual intercourse
  No 1.00 (referent) 1.00 (referent)
  Yes 1.13 (0.96 to 1.33) 1.03 (0.90 to 1.18)
Genital wart (self-reported)
  No 1.00 (referent) 1.00 (referent)
  Yes 1.57 (1.07 to 2.31) 1.21 (0.98 to 1.48)
Genital ulcer disease (self-reported)
  No 1.00 (referent)
  Yes 1.09 (0.98 to 1.22)
Urethral discharge (self-reported)
  No 1.00 (referent)
  Yes 1.01 (0.85 to 1.20)
Dysuria (self-reported)
  No 1.00 (referent)
  Yes 0.97 (0.81 to 1.17)