TY - JOUR AU - Strecher, Victor J AU - McClure, Jennifer AU - Alexander, Gwen AU - Chakraborty, Bibhas AU - Nair, Vijay AU - Konkel, Janine AU - Greene, Sarah AU - Couper, Mick AU - Carlier, Carola AU - Wiese, Cheryl AU - Little, Roderick AU - Pomerleau, Cynthia AU - Pomerleau, Ovide PY - 2008 DA - 2008/11/4 TI -参与在基于网络的戒烟计划中的作用:随机对照试验JO - J Med Internet Res SP - e36 VL - 10 IS - 5kw - Internet, World Wide Web KW -戒烟KW - engagement AB -背景:基于Web的健康促进、疾病预防和疾病管理项目经常经历高损耗率。有3个问题与这个问题特别相关。首先，参与项目内容是否能预测长期结果?第二，哪些用户最有可能退出或退出该程序?第三，特定的干预策略是否增强了参与?目的:确定:(1)网络戒烟干预的参与(由打开的网页部分的数量定义)是否预测6个月的戒断，(2)特定的社会人口统计学和心理病学群体是否更有可能有较低的参与，(3)网络戒烟计划的特定组成部分是否影响参与。方法:一项针对1866名吸烟者的随机试验用于检验基于网络的戒烟干预的5种不同治疗成分的有效性。这些组成部分是:高个性化与低个性化的消息来源、高个性化与低个性化的结果预期、效能预期和成功故事消息。此外，对这些部分的暴露时间进行了控制，参与者被随机分配到一个单一的统一Web程序中，所有部分都可以一次性获得，或者在5周的时间内依次暴露到每个部分。 Participants from 2 large health plans enrolled to receive the online behavioral smoking cessation program and a free course of nicotine replacement therapy (patch). The program included: an introduction section, a section focusing on outcome expectations, 2 sections focusing on efficacy expectations, and a section with a narrative success story (5 sections altogether, each with multiple screens). Most of the analyses were conducted with a stratification of the 2 exposure types. Measures included: sociodemographic and psychosocial characteristics, Web sections opened, perceived message relevance, and smoking cessation 6-months following quit date. Results: The total number of Web sections opened was related to subsequent smoking cessation. Participants who were younger, were male, or had less formal education were more likely to disengage from the Web-based cessation program, particularly when the program sections were delivered sequentially over time. More personalized source and high-depth tailored self-efficacy components were related to a greater number of Web sections opened. A path analysis model suggested that the impact of high-depth message tailoring on engagement in the sequentially delivered Web program was mediated by perceived message relevance. Conclusions: Results of this study suggest that one of the mechanisms underlying the impact of Web-based smoking cessation interventions is engagement with the program. The source of the message, the degree of message tailoring, and the timing of exposure appear to influence Web-based program engagement. SN - 1438-8871 UR - //www.mybigtv.com/2008/5/e36/ UR - https://doi.org/10.2196/jmir.1002 UR - http://www.ncbi.nlm.nih.gov/pubmed/18984557 DO - 10.2196/jmir.1002 ID - info:doi/10.2196/jmir.1002 ER -