Workplace-based work disability prevention interventions for workers with common mental health conditions: a review of the literature.

Introduction: To summarize evidence on workplace-based work disability prevention (WDP) interventions in workers with common mental health conditions (CMHCs). Primary outcomes of interest were work absence duration and work functioning; secondary outcomes were quality of life, and economic costs.

Methods: We conducted a systematic literature search in 5 electronic databases (MEDLINE, EMBASE, CINAHL, PsychINFO, Web of Science) for studies published from 2007 to 2009.

HIV-1 superinfection in the antiretroviral therapy era: are seroconcordant sexual partners at risk?

Background: Acquisition of more than one strain of human immunodeficiency virus type 1 (HIV-1) has been reported to occur both during and after primary infection, but the risks and repercussions of dual and superinfection are incompletely understood. In this study, we evaluated a longitudinal cohort of chronically HIV-infected men who were sexual partners to determine if individuals acquired their partners' viral strains.

Methodology: Our cohort of HIV-positive men consisted of 8 couples that identified themselves as long-term sexual partners.

Incidence of and risk factors for sexual orientation-related physical assault among young men who have sex with men.

Objectives: We sought to determine incidence of, prevalence of, and risk factors for sexual orientation-related physical assault in young men who have sex with men (MSM).

Methods: We completed a prospective open cohort study of young MSM in Vancouver, British Columbia, surveyed annually between 1995 and 2004. Correlates of sexual orientation-related physical assault before enrollment were identified with logistic regression.

Nitrite inhalant use among young gay and bisexual men in Vancouver during a period of increasing HIV incidence.

Background: Nitrite inhalants ("poppers") are peripheral vasodilators which, since the beginning of the epidemic, have been known to increase risk for acquiring HIV infection among men who have sex with men (MSM). However, few studies in recent years have characterized use. From 1999 to 2004, new HIV diagnoses among MSM in British Columbia increased 78%, prompting us to examine the prevalence and correlates of this modifiable HIV risk factor.