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Table 4 Age-adjusted odds ratio of hepatitis C infection for drug use-related factors in the urban Brazilian population

From: Prevalence and risk factors of Hepatitis C virus infection in Brazil, 2005 through 2009: a cross-sectional study

Risk factors

Participants

HCV infection n (%)

ORadjusted(95% CI)*

p-value

Ever use of smoked drugs

    

 No

14,726

177 (1.2)

1.0

-

 Yes

1,839

38 (2.1)

1.47 (0.88 – 2.46)

0.141

Ever use of inhalated drugs

    

 No

16,293

206 (1.3)

1.0

-

 Yes

265

09 (3.4)

2.68 (0.85 – 8.45)

0.093

Ever use of sniffed drugs

    

 No

15,827

189 (1.2)

1.0

-

 Yes

749

25 (3.3)

3.50 (1.87 – 6.54)

0.000

Ever use of injected drugs

    

 No

16,463

204 (1.2)

1.0

-

 Yes

70

11 (15.7)

12.79 (5.19 – 31.5)

0.000

Injections with glass syringe

    

 No

13,450

148 (1.1)

1.0

-

 Yes

2,931

63 (2.2)

1.67 (1.09 – 2.56)

0.019

Alcohol consumption

    

 None

10,237

129 (1.3)

1.0

-

 Light consumption

5,376

67 (1.2)

0.75 (0.50 – 1.12)

0.155

 Heavy consumption

978

16 (1.6)

0.84 (0.41 – 1.69)

0.619

 Dependent

41

03 (7.3)

2.88 (0.79 – 10.49)

0.108

  1. * Adjusted for random effect and age weighted by age groups and regions.