Poisson regression analysis of risk for incident depression among 4,422 cohort participants free of depression at the first two baseline visits and without a history of prior psychiatric disorders.

1 P-values from Poisson regression unless indicated otherwise, 2 P-values from Poisson regression testing for trend across groups 3 Variable has been time-updated, 4 Variable has been lagged for 90 days Abbreviations: IR, incidence rate per 100 PY; IRR, incidence rate ratio; CI, confidence interval; PY, person years of follow-up; MSM, men who have sex with men; HET, heterosexual transmission; IDU, injection drug use; ART, antiretroviral therapy; VL, HIV viral load; HBV, hepatitis B virus; HCV, hepatitis C virus; BMI, body mass index. Variables which correlate with IDU are omitted from the multivariable analysis.