HIV is 2.5 times more common in first-time mental health service users than the general population

Pooled incidence 1.7 and 12.1 per 100 person-years for HIV, hepatitis C, respectively, with higher risk seen in the young and in women

Family-related factors unlikely to entirely explain this risk, authors say

Improvement in self-reported antiretroviral therapy adherence and decrease in viral load seen with intervention