Moskowitz Joel M, McDonnell Diana D, Kazinets Gene, Lee Hyun-Ju
Center for Family and Community Health, School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
Center for Family and Community Health, School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
Prev Med. 2016 May;86:70-6. doi: 10.1016/j.ypmed.2016.01.019. Epub 2016 Feb 1.
Smoking is prevalent among Korean American men. Quitting is Winning, an Internet-based, cognitive-behavioral smoking cessation program, was developed using community-based participatory research principles.
A randomized controlled trial was used to evaluate whether participants were more likely to complete the program and quit smoking at 6-months of follow-up with additional reinforcement. The main outcomes were the proportion of participants who completed the online program and the proportion who quit smoking for at least 30days, 26weeks after enrollment, among those randomized into the high-reinforcement (HR) condition compared with those in the low-reinforcement (LR) condition.
The study achieved a final enrollment of 403 participants including 56 women. Program completion was greater for the HR as compared to the LR condition (17% vs. 10%, p=.035). There was no significant difference in 30-day smoking cessation (intent-to-treat [ITT]) between the HR and LR conditions (9% vs. 8%, ns). Smoking cessation was greater among program completers as compared to those who did not complete the program (28% vs. 5%, p<.001).
The addition of interim surveys and financial incentives for interim survey completion and program completion significantly increased the likelihood of program completion. Moreover, program completers were significantly more likely to quit smoking. Although smoking cessation rates did not significantly differ between the HR and LR conditions, the results suggest that future studies should explore the efficacy of larger financial incentives for program completion (Clinical Trial #NCT02584127).
吸烟在美国韩裔男性中很普遍。“戒烟即胜利”是一项基于互联网的认知行为戒烟项目，它是运用基于社区的参与性研究原则开发的。
采用随机对照试验来评估参与者在接受额外强化措施的6个月随访期内是否更有可能完成该项目并戒烟。主要结果是在随机分配到高强化（HR）组的参与者与低强化（LR）组的参与者中，完成在线项目的参与者比例以及在入组26周后戒烟至少30天的参与者比例。
该研究最终招募了403名参与者，其中包括56名女性。与LR组相比，HR组的项目完成率更高（17%对10%，p = 0.035）。HR组和LR组在30天戒烟率（意向性分析[ITT]）方面没有显著差异（9%对8%，无显著性差异）。与未完成项目的参与者相比，完成项目的参与者戒烟率更高（28%对5%，p < 0.001）。
增加中期调查以及对完成中期调查和项目给予经济激励显著提高了项目完成的可能性。此外，完成项目的参与者戒烟可能性明显更高。虽然HR组和LR组的戒烟率没有显著差异，但结果表明未来的研究应探索给予更大经济激励以促进项目完成的效果（临床试验编号#NCT02584127）
