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Table 6 Univariate and multivariate associations with detection of human papillomavirus (HPV) types 16 or 18, all women ≤40 years (n = 2152)

From: Human papillomavirus prevalence among indigenous and non-indigenous Australian women prior to a national HPV vaccination program

Variable Any HPV-positive, % OR (95%CI) Pvalue Adjusted OR (95%CI) Pvalue
Indigenousa      
   Yes 13.1% 1.1 (0.8 to 1.4) 0.64 0.8 (0.6 to 1.1) 0.2
   No 12.4%     
Smokingb      
   Yes 16.0% 1.6 (1.2 to 2.0) 0.001 1.4 (1.1 to 1.9) 0.01
   No 10.9%     
Age, yearsc - 0.879 (0.858 to 0.900) < 0.001 0.884 (0.862 to 0.906) < 0.001
Age, 5-year bands 28.4% 10.9 (5.9 to 20) < 0.001 Modeled as continuous variable as above  
   < 21 years 18.0% 6.1 (3.3 to 11)    
   21 to 25 years 12.1% 3.8 (2.1 to 7.0)    
   26 to 30 years 5.6% 1.6 (0.8 to 3.2)    
   31 to 35 years 3.5% Ref    
HCd      
   Yes 17.4% 2.0 (1.5 to 2.6) < 0.001 1.7 (1.3 to 2.2) < 0.001
   No 9.6%     
  1. aThree missing.
  2. bTwenty-one missing.
  3. cFor each one year increase in age.
  4. dTwenty missing. HC = hormonal contraception