Psychosocial Mediators of a School-Based Tobacco Prevention Program in India: Results from the First Year of Project MYTRI
Psychosocial Mediators of a School-Based Tobacco Prevention Program in India: Results from the First Year of Project MYTRI
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DOI：
10.1007/s11121-008-0113-x
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发表时间：
2009-06-01
影响因子：
3.5
通讯作者：
MacKinnon, David P.
中科院分区：
文献类型：
--
作者：
Bate, Sheri Lewis;Stigler, Melissa H.;MacKinnon, David P.
在印度，估计每天有5500名青年开始吸烟，这有助于预测到2020年，烟草将占印度所有死亡人数的13%。项目MYTRI(动员青年参与印度与烟草有关的倡议)是一项以学校为基础的多组成部分干预措施，旨在预防和减少印度德里和金奈青少年的烟草使用。这项干预是在2004-2006学年实施的，涉及32个教室的6年级和8年级学生。学生们参加了同伴主导的课堂活动，包括游戏、比赛和其他活动，旨在针对一些心理社会风险因素，据信这些因素可以防止印度城市青年使用烟草。为了更全面地了解MYTRI项目如何影响学生吸烟或咀嚼烟草的意图，目前的研究使用中介分析来调查MYTRI项目是否如预期那样改变了心理社会风险因素，以及心理社会风险因素的变化是否反过来导致学生烟草使用意图的改变。使用基线调查和一年跟踪调查中的学生数据来评估多层次中介模型。结果表明，心理社会危险因素、健康影响知识、规范信念、吸烟原因和知觉流行率是干预活动与学生吸烟意愿之间的显著中介变量。对于感知的流行因素，观察到不一致调解的证据。这些发现，结合定性研究的结果和二年级学生的数据，将有助于阐明MYTRI项目对参与的青年的影响。
Each day in India, an estimated 5,500 youth initiate tobacco use, contributing to predictions that by 2020, tobacco will account for 13% of all deaths in India. Project MYTRI (Mobilizing Youth for Tobacco-Related Initiatives in India) is a multi-component school-based intervention designed to prevent and reduce tobacco use among adolescents in Delhi and Chennai, India. The intervention was implemented over the 2004-2006 school years and involved 6th and 8th grade students in 32 classrooms. Students participated in peer-led classroom activities involving games, competitions, and other activities intended to target a number of psychosocial risk factors believed to prevent tobacco use among urban Indian youth. To more fully understand how Project MYTRI influenced students' intentions to smoke or chew tobacco, the current study used mediation analysis to investigate whether Project MYTRI altered the psychosocial risk factors as intended, and whether the changes in psychosocial risk factors were, in turn, responsible for altering students' tobacco-use intentions. Multi-level mediation models were estimated using student data from baseline and 1-year follow-up surveys. Results indicated that the psychosocial risk factors Knowledge of Health Effects, Normative Beliefs, Reasons to Use Tobacco, and Perceived Prevalence were significant mediators between the intervention activities and students' tobacco use intentions. Evidence of inconsistent mediation was observed for the Perceived Prevalence factor. These findings, combined with those from qualitative research and the second-year student data, will help to illuminate the impact of Project MYTRI on participating youth.