The present study supports the use of an extended psychosocial theory for identifying the determinants of nurses' intention to integrate research evidence into their clinical decision-making. Interventions that focus on increasing nurses' perceptions that using research is their responsibility for ensuring good patient care and providing a supportive environment could promote an evidence-based nursing practice.

This study was an evaluation of a safe sex promotion programme in gay bars, saunas and sex shops in Québec City. The impact of the intervention on safe sex was assessed by means of an interrupted sequential pre-interventions and post-interventions quasi-experimental design with independent samples. At each measurement time, approximately 320 individuals were recruited in gay bars and saunas and were invited to complete a self-administered questionnaire. The intervention had a significant impact on safe sex mainly among the 18-29 age group (relative risk = 0.71; 95% confidence interval [CI95%] = 0.55-0.92), even after controlling for the effect of gay venue frequentation. Thus, the effect size of the intervention corresponds to a significant reduction of 29% in risky unprotected anal sex among this age group. Implementation of a theory-based community-level intervention has a positive impact on reducing unsafe sex practices, particularly among the 18-29 age group. However, if the preventive activities are not maintained on a regular basis, there is recrudescence in unsafe sex practices.

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These results may be used to guide health promoters working with college students.

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