Table 2

HCV seroprevalence ratios obtained by pooling three cross-sectional surveys of men who have sex with men conducted in Montréal, Québec (Canada) (2005, 2009, 2018)

CovariatesUnivariable prevalence ratio (95% CI)Multivariable prevalence ratio (95% CI)
History of IDU18.2 (12.2 to 27.2)8.0 (5.5 to 11.5)
Age
 <3011
 30–442.1 (1.4 to 3.2)2.2 (1.5 to 3.3)
 ≥451.9 (0.9 to 4.1)2.5 (1.6 to 3.9)
Transactional sex (P6M)4.6 (3.0 to 7.1)2.1 (1.7 to 2.5)
HIV seropositivity2.9 (1.8 to 4.8)1.7 (1.3 to 2.3)
Sexual orientation other than gay/homosexual5.4 (3.2 to 9.2)1.6 (1.3 to 2.1)
Income ≥$C30 000 in the past year0.3 (0.2 to 0.4)0.5 (0.4 to 0.7)
Born outside of Canada0.2 (0.0 to 0.6)0.5 (0.3 to 0.9)
Year of data collection
200511
20090.4 (0.2 to 0.8)0.5 (0.3 to 0.8)
20180.9 (0.3 to 2.4)1.0 (0.7 to 1.4)
Education level higher than high school0.2 (0.1 to 0.3)0.4 (0.3 to 0.6)
Self-identified Indigenous ethnicity or family background1.1 (0.1 to 23.7)1.4 (0.4 to 4.5)
Reactive syphilis serology0.9 (0.4 to 1.9)1.1 (0.7 to 1.6)
First language other than French/English0.4 (0.1 to 1.0)1.0 (0.5 to 2.0)
>5 male sexual partners (P6M)0.8 (0.5 to 1.4)1.0 (0.7 to 1.3)
Group sex in the P6M0.8 (0.5 to 1.2)0.8 (0.6 to 1.2)
CAS with a man of serodiscordant/unknown HIV status (P6M)0.7 (0.3 to 1.6)0.7 (0.5 to 1.1)
  • CAS, condomless anal sex; HCV, hepatitis C virus; IDU, injection drug use; P6M, past 6 months.