| Titre : | Two-year effects of a school-based prevention programme on adolescent cigarette smoking in Guangzhou, China : a cluster randomized trial. (2010) |
| Auteurs : | . XIAOZHONG WEN ; . CAIHUA LIANG ; . CIYONG LU ; COLBY (Suzanne-M) : USA. Department of Community Health. Center for Alcohol & Addiction Studies. Brown University. Providence. RI. ; GANS (Kim-M) : USA. Department of Community Health. Institute for Community Health Promotion. Brown University. Providence. RI. ; . WEIQING CHEN ; WENHUA LING (.) : CHN. Department of Nutrition. School of Public Health. Sun Yat-sen University. Guangzhou. ; Department of Medical Statistics and Epidemiology. School of Public Health. Sun Yat-sen University. Guangzhou. CHN |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 39, n° 3, 2010) |
| Pagination : | 860-876 |
| Langues: | Anglais |
| Mots-clés : | Tabagisme ; Lutte antitabac ; Programme santé ; Prévention santé ; Adolescent ; Chine ; Essai préventif ; Essai thérapeutique ; Tabac ; Surveillance ; Homme ; Asie |
| Résumé : | [BDSP. Notice produite par INIST-CNRS F8IR0xG7. Diffusion soumise à autorisation]. Background The prevalence of adolescent smoking has been increasing rapidly in China. Theory-based smoking prevention programmes in schools may be an effective approach in preventing smoking among Chinese adolescents. Methods A school-level cluster randomized controlled trial was conducted among 7th and 8th grade students (N=2343) in four junior high schools in southern China during 2004-06. The theory-based, multi-level intervention was compared with the standard health curriculum. Outcome measures comprised changes in students'smoking-related knowledge, attitudes and behaviour. Results The mean knowledge scores from baseline to the 1-and 2-year follow-ups increased more in the intervention group than in the control group, whereas there was little change in attitude scores. At the 1-year follow-up (the total sample), the interventions reduced the probability of baseline experimental smokers'escalating to regular smoker [7.9 vs 18.3% ; adjusted odds ratio (OR) 0.34,95% confidence interval (CI) 0.12-0.97, P=0.043], but did not reduce the probability of baseline non-smokers'initiating smoking (7.9 vs 10.6% ; adjusted OR 0.86,95% CI 0.54-1.38, P=0.538). At the 2-year follow-up (only 7th grade students), similar proportions of baseline non-smokers initiated smoking in the intervention group and the control group (13.5 vs 13.1%), while a possibly lower proportion of baseline experimental smokers escalated to regular smoking in the intervention group than the control group (22.6 vs 40.0% ; adjusted OR 0.43,95% CI 0.12-1.57, P=0.199). Conclusions This multi-level intervention programme had a moderate effect on inhibiting the escalation from experimental to regular smoking among Chinese adolescents, but had little effect on the initiation of smoking. The programme improved adolescents'smoking-related knowledge, but did not change their attitudes towards smoking. |
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