Table 1

Factors associated with the uptake of HPV vaccine among 1134 gay and bisexual men who have sex with men attending the Melbourne Sexual Health Centre

VariablesIndividuals offered HPV vaccine (N=1134), nProportion of HPV vaccine uptake (N=830), n (%)Crude OR
(95% Cl)
P valuesAdjusted OR
(95% Cl)
P values
Demographic characteristics
Age group
 16–194625 (54.3)1Ref1Ref
 20–261088805 (74.0)2.39 (1.32 to 4.34)0.0042.21 (1.20 to 4.06)0.011
Country of birth
 Overseas516361 (70.0)1Ref1Ref
 Australia592452 (76.4)1.39 (1.06 to 1.81)0.0171.25 (0.95 to 1.66)0.112
 No information2617 (65.4)0.81 (0.35 to 1.86)0.6210.72 (0.30 to 1.70)0.449
Indigenous origin
 Indigenous origin*158 (53.3)1Ref
 Non-Indigenous origin1014744 (73.4)2.41 (0.87 to 6.71)0.092
 No information10578 (74.3)2.53 (0.84 to 7.63)0.100
Sexual history
History of genital warts
 No1066769 (72.1)1Ref1Ref
 Yes6861 (89.7)3.37 (1.52 to 7.44)0.0033.11 (1.39 to 6.99)0.006
Number of partners in the last 12 months
 ≤4603426 (70.6)1Ref1Ref
 >4531404 (76.1)1.32 (1.01 to 1.72)0.0391.38 (1.04 to 1.85)0.027
Condom use in the last 12 months†
 Consistent305205 (67.2)1Ref1Ref
 Inconsistent674495 (73.4)1.35 (1.01 to 1.81)0.0461.15 (0.85 to 1.56)0.375
 No information155130 (83.9)2.54 (1.55 to 4.14)<0.0013.01 (1.74 to 5.20)<0.001
Sexual practice‡
 Bisexual7848 (61.5)1Ref1Ref
 Homosexual1056782 (74.1)1.78 (1.11 to 2.87)0.0171.61 (0.98 to 2.63)0.059
Current sex worker
 No1012725 (71.6)1Ref
 Yes1210 (83.3)1.98 (0.43 to 9.09)0.380
 No information11095 (86.4)2.51 (1.43 to 4.40)0.001
Currently taking PrEP
 No916660 (72.1)1Ref1Ref
 Yes7968 (86.1)2.40 (1.25 to 4.61)0.0092.14 (0.99 to 4.63)0.064
 No information/not applicable§139102 (73.4)1.07 (0.71 to 1.60)0.7440.86 (0.55 to 1.34)0.347
HIV status
 Negative1099804 (73.2)1Ref
 Positive3526 (74.3)1.06 (0.49 to 2.29)0.882
  • *Aboriginal and Torres Strait Islanders.

  • †Inconsistent condom use was defined as men who sometimes or never used condoms in the last 12 months; consistent condom use was defined as men who always used condoms in the last 12 months.

  • ‡Homosexual men were defined as men who have sex with men only in the last 12 months, while bisexual men were defined as men who have sex with men and women in the last 12 months.

  • §Known HIV-positive men were categorised as not applicable for PrEP.

  • CI, confidence interval; HPV, human papillomavirus; OR, odds ratio; PrEP, pre-exposure prophylaxis; ref, reference.