Objective   To determine the prevalence of risky healthy behaviors (HRB) in Chongqing residents in 2007 through a cross-sectional study and to explore the clustering of these behaviors.    Methods   This study investigated 1 263 Chongqing residents

by using group stratified sampling. Information was collected by self-report questionnaire

the Healthy Behaviors Questionnaire for Chongqing Residents

which was created in this study.    Results   Among these HRB

the prevalence of cigarette smoking

alcohol drinking

over weight or obesity

ineffective exercise and no seat belt were high. The study also showed that there was considerable clustering of these 5 HRB. The prevalence of ineffective exercise were the highest (78.1%) among them. Male

doing physical labors and with lower education level was more likely to have more HRB than others. The highest correlation was found for the number of cigarette smoking and alcohol drinking.    Conclusion   Multiple health risk behaviors are identified as a problem in Chongqing residents

thus the results should be recorded and special attention should be paid in future intervention planning.