The role of planning and self-efficacy in condom use among men who have sex with men: An application of the Health Action Process Approach model.

Objective: In Hong Kong, men who have sex with men (MSM) remain a high risk group for HIV infection. This study applied the Health Action Process Approach (HAPA) to study the motivational and behavioral patterns of local MSM in condom use. Design: Four hundred ten sexually active MSM completed the questionnaire on site at Time 1; 217 who remained sexually active were interviewed during a 1-month follow-up. Main Outcome Measures: Risk perception, outcome expectancy, action self-efficacy, intention, planning, maintenance self-efficacy, and recovery self-efficacy were measured at Time 1. Actual condom use was measured at both time points. Results: The HAPA model had a good fit to the data (χ2 = 300.71, df = 111, p