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Table 2 Univariate association of demographic information and reproductive history with prevalent infection of any HPV and any HR-HPV type

From: Prevalence and correlates of HPV among women attending family-planning clinics in Thailand

Variable Sample N = 1,201 HPV positive n = 289 Unadjusted prevalence ratio HR-HPV positive N = 163 Unadjusted prevalence ratio
(24.1%) (95%CI) (13.6%) (95%CI)
Age category, years      
  <26 224 26.3% 1.0 18.3% 1.0
  26-30 422 22.8% 0.86 (0.65, 1.14) 12.6% 0.69 (0.47, 0.99)
  31-33 279 25.1% 0.95 (0.71, 1.28) 11.8% 0.65 (0.42, 0.99)
  34-38 276 23.2% 0.89 (0.65, 1.19) 13.0% 0.71 (0.47, 1.08)
Study Site in Thailand      
  North 429 20.5% 1.0 10.5% 1.0
  North-East 274 21.2% 1.03 (0.77, 1.38) 11.7% 1.11 (0.73, 1.71)
  South 311 27.9% 1.36 (1.05, 1.77) 16.4% 1.56 (1.08, 2.27)
  Central 187 29.9% 1.46 (1.09, 1.95) 18.7% 1.78 (1.19, 2.68)
Years of education      
  >12 149 28.9% 1.0 14.8% 1.0
  10-12 235 20.4% 0.71 (0.49, 1.01) 10.2% 0.69 (0.40, 1.19)
  7-9 277 25.9% 0.90 (0.65, 1.24) 15.5% 1.05 (0.65, 1.69)
  ≤6 540 23.3% 0.81 (0.60, 1.09) 13.7% 0.93 (0.59, 1.44)
# of pregnancies:      
  0-1 444 23.2% 1.0 14.4% 1.0
  2 500 23.2% 1.00 (0.79, 1.26) 12.4% 0.86 (0.62, 1.19)
  ≥3 257 27.2% 1.17 (0.90, 1.53) 14.4% 0.99 (0.69, 1.45)
# of livebirths      
  0 27 55.6% 1.0 22.2% 1.0
  1 604 24.5% 0.44 (0.31, 0.64) 15.7% 0.71 (0.34, 1.47)
  >1 570 22.1% 0.39 (0.27, 0.58) 10.9% 0.49 (0.23, 1.03)
Contraceptive use at enrollment*:      
  NHC 448 24.8% 1.0 12.5% 1.0
  DMPA 347 19.9% 0.80 (0.62, 1.05) 11.8% 0.95 (0.65, 1.38)
  COC 406 26.9% 1.08 (0.86, 1.36) 16.3% 1.30 (0.94, 1.81)
Cumulative use of COCs:      
  Never 194 21.1% 1.0 12.4% 1.0
  <4 years 603 22.6% 1.07 (0.78, 1.45) 11.8% 0.95 (0.62, 1.47)
  4-6 years 310 23.6% 1.11 (0.79, 1.56) 13.6% 1.09 (0.69, 1.75)
  >6 years 94 31.5% 1.96 (1.37, 2.82) 27.7% 2.24 (1.36, 3.68)
Cumulative use of DMPA:      
  Never 272 27.6% 1.0 15.1% 1.0
  <4 years 558 25.3% 0.92 (0.72, 1.16) 13.9% 0.93 (0.65, 1.32)
  4-6 years 315 18.7% 0.68 (0.50, 0.92) 11.8% 0.78 (0.52, 1.18)
  >6 years 56 25.0% 0.91 (0.55, 1.48) 12.5% 0.83 (0.39, 1.75)
Current Smoker:      
  No 1146 22.5% 1.0 12.5% 1.0
  Yes 55 56.4% 2.50 (1.94, 3.23) 36.4% 2.91 (1.99, 4.27)
Age of sexual debut, years:      
  >20 459 20.3% 1.0 10.2% 1.0
  17-19 550 23.6% 1.17 (0.92, 1.48) 13.6% 1.33 (0.94, 1.88)
  <17 192 34.4% 1.69 (1.29, 2.22) 21.4% 2.09 (1.42, 3.06)
Lifetime # of sex partners:      
  1 852 17.4% 1.0 9.7% 1.0
  2 179 31.8% 1.83 (1.41, 2.38) 13.9% 1.43 (0.94, 2.18)
  3 61 32.8% 1.89 (1.28, 2.78) 18.0% 1.85 (1.04, 3.28)
  ≥4 109 58.7% 3.38 (2.73, 4.19) 40.4% 4.14 (3.05, 5.63)
# Partners L6M**:      
  0 29 10.3% 1.0 3.5% 1.0
  1 1,133 22.8% 2.20 (0.75, 6.46) 12.4% 3.58 (0.52, 24.8)
  >1 39 71.8% 6.94 (2.33, 20.6) 56.4% 16.4 (2.34, 114.6)
New partner L12M:***      
  No 1128 22.7% 1.0 12.5% 1.0
  Yes 44 68.2% 3.00 (2.39, 3.78) 47.7% 3.82 (2.70, 5.39)
Commercial Sex Work L6M :      
  No 1167 22.7% 1.0 12.3% 1.0
  Yes 34 70.6% 3.11 (2.44, 3.96) 55.9% 4.53 (3.24, 6.34)
Condom use L6M:      
  No 977 20.9% 1.0 11.6% 1.0
  Yes 224 37.5% 1.79 (1.45, 2.20) 22.3% 1.93 (1.43, 2.60)
Primary partner L6M:      
  Yes 1164 23.9% 1.0 13.5% 1.0
  No 8 87.5% 3.65 (2.76, 4.84) 62.5% 4.63 (2.66, 8.08)
Primary partner had sex with other L6M:****      
  No 902 20.6% 1.0 11.2% 1.0
  Yes 76 48.7% 2.36 (1.81, 3.07) 30.3% 2.70 (1.83, 3.98)
  Don’t Know 186 30.1% 1.46 (1.13, 1.88) 17.7% 1.58 (1.11, 2.27)
  1. *NHC = Non-Hormonal Contraception; DMPA = DepotMedroxyprogesterone Acetate; COC = Combined oral contraception **L6M = Last six months prior to enrollment; L12M = Last twelve months prior to enrollment ***Among those who report > =1 sexual partner L6M ****Among those who report a primary partner L6M Includes commercial and non-commercial sexual partners.