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Table 2 Crude and age-adjusted cervical human papillomavirus (HPV) DNA prevalence and prevalence of multiple HPV infections by Indigenous status (note '/' denotes 'and/or')a

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

HPV Prevalence Non-Indigenous, 15 to 40 years of age (n = 1494) Indigenous, 15 to 40 years of age (n = 655)  
  Age-adjustedb HPV prevalence Age adjusted to Australian populationa Indigenous populationc
HPV16/18 12.8% (10.8 to 14.8) 12.2% (9.7 to 14.6) 13.8% (11.1 to 16.6)
HPV genotypes 6/11/16/18 15.3% (13.3 to 17.4) 14.1% (11.5 to 16.7) 15.9% (13.1 to 18.8)
Cross-protection 16/18/31/45 17.1% (14.9 to 19.3) 15.6% (12.9 to 18.3) 17.4% (14.4 to 20.4)
HRd HPV 13 typese 30.0% (27.5 to 32.3) 31.3% (27.7 to 34.9) 33.2% (29.5 to 36.8)
HR HPV 18 typesf 33.5% (31.0 to 36.0) 35.4% (31.8 to 39.1) 37.5% (33.8 to 41.2)
HR HPV-11 types (non-16/18) 23.7% (21.3 to 26.1) 25.9% (22.4 to 29.3) 27.3% (23.8 to 30.9)
HR HPV-16 types (non-16/18) 28.6% (26.1 to 31.0) 30.6% (27.1 to 34.2) 32.3% (28.6 to 36.0)
Any HPV 41.5% (38.9 to 44.1) 47.5% (43.6 to 51.3) 49.3% (45.5 to 53.2)
LRg HPV 24.8% (22.3 to 27.2) 28.7% (25.2 to 32.2) 30.1% (26.5 to 33.7)
LR only present 8.0% (6.6 to 9.39) 12.0% (9.41 to 14.7) 11.9% (9.3 to 14.5)
HPV genotypes 6/11/16/18 only 3.5% (2.6 to 4.5) 3.5% (2.1 to 5.0) 4.0% (2.3 to 5.6)
Multiple HPV types (crude prevalence)    
   Range (min-max) 0 to 13 0 to 10
   None 58.8% (56.3 to 61.3) 50.5% (46.6 to 54.5)
   One 17.5% (15.6 to 19.5) 22.0% (18.8 to 25.3)
   Two 9.1% (7.7 to 10.7) 12.4% (9.9 to 15.1)
   Three 7.0% (5.7 to 8.4) 5.8% (4.1 to 7.9)
   Four or more 7.6% (6.3 to 9.1) 9.3% (7.2 to 11.8)
  1. aData are % (95% CI exact binomial), unless otherwise stated.
  2. bAge-standardized to the Australian female population aged 17 to 40 years, 2005, Australian Bureau of Statistics (NB there were only eight women aged 15 to 16 years.)
  3. cAge-standardized to the Australian Indigenous female population aged 17 to 40 years, 2005, unpublished experimental estimates, Australian Bureau of Statistics. Single year of age experimental Indigenous population estimates may be subject to errors that cannot be fully adjusted for in the population estimates compilation process.
  4. dHR = high-risk.
  5. eHR HPV types 16,18,31,33,35,39,45,51,52,56,58,59,68
  6. fAs above plus HPV types 26,53,66,73 and 82.
  7. gLR = low-risk.