After adjustment for age , cocaine use and alcohol dependence as well as suicidal risk , living in a couple with a non-drug user and in a couple with a drug user were both independent predictors of HCV risk practices ( OR -LSB- CI@ % -RSB- = @ -LSB- @-@ @ -RSB- ; OR -LSB- CI@ % -RSB- = @ -LSB- @-@ @ -RSB- , respectively ) .