Initial evaluation of a real-world Internet smoking cessation system
Initial evaluation of a real-world Internet smoking cessation system
复制标题
DOI：
10.1080/14622200500055319
复制
发表时间：
2005-04-01
影响因子：
4.7
通讯作者：
Abrams, DB
中科院分区：
文献类型：
--
作者：
Cobb, NK;Graham, AL;Abrams, DB
为了显著降低吸烟流行率，治疗必须平衡覆盖范围、疗效和成本。互联网可以以成本效益高的方式接触到数百万吸烟者。有许多戒烟网站，但很少有被评估。因此，互联网对吸烟流行率的潜在影响仍然未知。本研究报告的结果，挑战和局限性的初步，大规模的评估广泛传播的戒烟网站在世界范围内使用（QuitNet）。在网站上注册后3个月，对1，501名自愿注册者进行调查，以评估7天的时点戒烟率。必须谨慎解释结果，因为这是一项非对照研究，应答率为25.6%。大约30%的受访者表示他们在登记时已经戒烟。排除这些参与者，意向治疗分析得出7%。点流行率禁欲（仅对于应答者，禁欲率为30%）。一系列合理的戒烟结果（9.8%-13.1%）在不同的亚组中，以说明进行基于网络的评估，临床和传播研究方法之间的紧张关系的优势和局限性。过程到结果分析表明，持续使用QuitNet，特别是使用社会支持，与三倍以上的点流行率禁欲和四倍以上的持续禁欲。尽管有其局限性，本研究提供了有用的信息，潜在的疗效，具有挑战性的设计和方法问题，过程到结果的作用机制，以及基于互联网的戒烟行为改变计划的潜在公共卫生影响。
To significantly reduce smoking prevalence, treatments must balance reach, efficacy, and cost. The Internet can reach millions of smokers cost-effectively. Many cessation Web sites exist, but few have been evaluated. As a result, the potential impact of the Internet on smoking prevalence remains unknown. The present study reports the results, challenges, and limitations of a preliminary, large-scale evaluation of a broadly disseminated smoking cessation Web site used worldwide (QuitNet). Consecutive registrants (N = 1,50 1) were surveyed 3 months after they registered on the Web site to assess 7-day point prevalence abstinence. Results must be interpreted cautiously because this is an uncontrolled study with a 25.6% response rate. Approximately 30% of those surveyed indicated they had already quit smoking at registration. Excluding these participants, an intention-to-treat analysis yielded 7%. point prevalence abstinence (for the responders only, abstinence was 30%). A range of plausible cessation outcomes (9.8%-13.1%) among various subgroups is presented to illustrate the strengths and limitations of conducting Web-based evaluations, and the tensions between clinical and dissemination research methods. Process-to-outcome analyses indicated that sustained use of QuitNet, especially the use of social support, was associated with more than three times greater point prevalence abstinence and more than four times greater continuous abstinence. Despite its limitations, the present study provides useful information about the potential efficacy, challenging design and methodological issues, process-to-outcome mechanisms of action, and potential public health impact of Internet-based behavior change programs for smoking cessation.