Table 4

HRs for incident HCV for women versus men, adjusted by risk behaviour, one at a time

HR
Females vs males
(95% CI)
p Value
Unadjusted1.43 (1.03 to 2.00)0.03
Age of first injection1.33 (0.95to 1.86)0.10
Years injecting1.45 (1.04 to 2.02)0.03
Injected every day*†1.36 (0.98 to 1.89)0.06
Injected heroin*†1.28 (0.91 to 1.80)0.16
Injected speed1.48 (1.06 to 2.06)0.02
Injected cocaine1.42 (1.02 to 1.97)0.04
Reused a syringe1.43 (1.02 to 1.99)0.04
Reused a cooker*†1.30 (0.93 to 1.82)0.12
Used a syringe previously used by another injector1.30 (0.94 to 1.81)0.12
Used a cooker previously used by another injector1.35 (0.97 to 1.89)0.08
Did a rinse*†1.29 (0.93 to 1.80)0.13
Number of borrowing partners1.29 (0.93 to 1.80)0.13
Frequency of injecting alone1.43 (1.03 to 1.99)0.03
Frequency of pooling1.29 (0.92 to 1.81)0.14
Number of pooling partners1.28 (0.89 to 1.77)0.19
Had a steady sex partner*†1.27 (0.90 to 1.79)0.18
Had a steady sex partner who was also an IDU*†1.16 (0.83 to 1.64)0.38
  • *Significantly associated with female sex at baseline.

  • †Significantly associated with female sex during follow-up.

  • HCV, hepatitis C virus; IDU, injection drug user.