Skip to main content

Table 4 Multivariable multinomial logistic regression models for factors associated with seroconversion and prevalent HCV infection in BC-HTC, Canada 1990-2012a, b

From: Twin epidemics of new and prevalent hepatitis C infections in Canada: BC Hepatitis Testers Cohort

Variables Seroconverters Prevalent HCV
  ORs (95 % CI) ORs (95 % CI)
Sex   
 Female 1.00 1.00
 Male 1.25 (1.19-1.31) 2.06 (2.02-2.10)
Birth year   
  < 1945 1.00 1.00
 1945-1954 3.38 (2.78-4.11) 3.79 (3.67-3.92)
 1955-1964 6.22 (5.19-7.44) 3.23 (3.13-3.34)
 1965-1974 9.86 (8.26-11.78) 1.64 (1.58-1.70)
 1975-1984 11.76 (9.83-14.07) 0.70 (0.67-0.73)
  ≥ 1985 6.53 (5.34-7.99) 0.48 (0.44-0.51)
HIV infection at baselinec   
 No/Unknown 1.00 1.00
 Yes 7.92 (7.05-8.89) 4.80 (4.47-5.15)
HBV at baselinec   
 No/Unknown 1.00 1.00
 Yes 2.33 (2.00-2.71) 0.69 (0.63-0.75)
Active TB at baselinec   
 No/Unknown 1.00 1.00
 Yes 1.00 (0.62-1.62) 1.01 (0.81-1.25)
Material deprivation quintile at baselinec   
 Unknown 3.51 (2.96-4.17) 5.38 (5.07-5.70)
 Q1 (most privileged) 1.00 1.00
 Q2 1.20 (1.06-1.31) 1.22 (1.18-1.27)
 Q3 1.24 (1.13-1.36) 1.36 (1.32-1.41)
 Q4 1.62 (1.48-1.76) 1.60 (1.55-1.65)
 Q5 (most deprived) 1.99 (1.83-2.15) 1.98 (1.92-2.04)
Mental illness at baselinec   
 No/Unknown 1.00 1.00
 Yes 1.18 (1.12-1.25) 0.69 (0.67-0.72)
Illicit drugs use at baseline   
 No/Unknown 1.00 1.00
 Yes 21.00 (19.80-22.38) 5.03 (4.91-5.16)
Problematic alcohol use at baseline   
 No/Unknown 1.00 1.00
 Yes 2.11 (2.00-2.23) 1.67 (1.63-1.72)
  1. aAdjusted for health authority and year of diagnosis; bExcluding unknown gender and health authority. cBaseline is defined as time of diagnosis for HCV positive, and date of last negative for HCV negative