A risk perception model to promote smoking cessation among adult current smokers: Application of a community-based smoking cessation intervention

INTRODUCTION: This study aims to assess the changes in cigarette consumption CO levels, and importance and self-confidence levels of quitting smoking in adult smokers after participation in a 6-month community-based smoking cessation program. METHODS: Participants were enrolled in the intervention (counseling group) or noncounseling group after completing a baseline assessment and receiving educational materials. A final assessment was completed at 6 months and at 8 months. Mixed factorial analyses of variance (ANOVAs) with 2 (condition: counseling vs non-counseling) × 2 (spoken language: Chinese vs English) × 2 (time: initial measurement vs last measurement) designs, were conducted for each of the four outcome measures. RESULTS: Seventy smokers (50 males, 20 females; mean age 34 years, SD=9.68) from the Mandarin- and Cantonese-speaking (n=30) and English-speaking (n=40) communities in Vancouver, Canada were enrolled. Cigarette consumption: Both Chinese- and English-speaking participants significantly decreased their cigarette consumption at near equal rates and English-speaking participants smoked significantly more cigarettes than the Chinese-speaking participants did across both the initial and last measurement time points. No significant interactions or main effects related to the study condition variable were observed. CO levels: Average levels of CO also decreased near equally for the English- and Chinese-speaking groups. No significant interactions or main effects related to the study condition variable were observed. Importance ratings: Chinese-speakers in the non-counseling group showed no increase in importance ratings, whereas Chinese-speakers in the counseling group saw an average increase of 0.73 (SD=1.10). For the English-speaking group, importance ratings remained stable over time with no significant changes. Self-confidence ratings: A larger average rating increase for the counseling group compared to the non-counseling group was observed for the study condition and time variables. On average, confidence ratings increased significantly for the whole sample. CONCLUSIONS: Our study showed that participation in a community-based smoking cessation intervention study, regardless of study group, resulted in significant decreases over time in self-reported cigarettes smoked per day and measured CO levels; as well as a significant effect on importance ratings depending on the language group, and a significant increase in confidence ratings overall.