采用短信对戒烟者进行持续个体化支持:初步试验性研究
2009/08/11
前言:本试验在年轻成人中研究应用短信(短信服务[SMS])对戒烟进行持续个体化支持的可行性和可接受性。另外,确定最佳反馈强度,并对此方法的短期效果进行评估。
方法:对格赖夫斯瓦尔德大学575名年轻成人的吸烟状态和短信使用情况进行筛选。其中194名年轻成人符合每天吸烟和每周使用SMS的试验入选标准。其中有174名(90%)同意加入本项基于SMS的干预研究。参与者随机分成以下3组:(a)对照组,无干预措施;(b)每周1次的短信反馈(1SMS);(c)每周3次的短信反馈(3SMS)。根据跨理论模型,基于对参与者的基线评估和每周的SMS评估数据,给B组和C组参与者每周发送个体化的SMS。比较支持强度不同的两组间在计划使用和接受度上的差异。通过比较3个月干预期结束后3个治疗组的吸烟状态变量,研究此干预计划的短期效果。
结果:每周回复的SMS均数为12.5(1SMS组)和13.0(3SMS组)(无显著性差异)。2个干预组对措施的可接受性也无差异。3组在试验结束后的吸烟状态变量也无差异。
讨论:本研究的较高参与度和保持率显示基于SMS的戒烟干预措施对年轻成人具有一定吸引力。SMS支持强度并不影响计划的可接受性。还需要进行长期随访和大样本研究来证实此项干预措施的有效性。
(陈欣 审校)
Haug S, et al. Nicotine Tob Res. 2009 Jun 19. [Epub ahead of print]
Continuous individual support of smoking cessation using text messaging: A pilot experimental study.
Haug S, Meyer C, Schorr G, Bauer S, John U.
Institute of Epidemiology and Social Medicine, Ernst-Moritz-Arndt-University Greifswald, Walther-Rathenau-Strasse 48, D-17487 Greifswald, Germany. severin.haug@uni-greifswald.de.
INTRODUCTION: The objective of this study was to test the feasibility and acceptance of an intervention using text messaging (short message service [SMS]) for continuous individual support of smoking cessation in young adults. Additionally, the optimal feedback intensity was investigated, and short-term efficacy of the intervention was explored.
METHODS: In a cafeteria of the University of Greifswald, 575 visitors were screened for smoking status and usage of text messaging. From these, 194 persons who fulfilled the inclusion criteria of daily smoking and weekly usage of SMS were invited for participation in an SMS-based intervention. From these, 174 (90%) consented to participate. The participants were randomly allocated to one of three study groups: (a) control condition without intervention, (b) intervention with one weekly SMS feedback (1SMS), or (c) intervention with three weekly SMS feedbacks (3SMS). In study groups (b) and (c), individualized SMS feedbacks were sent to the participants weekly, based on data from the baseline assessment and a weekly SMS assessment of the stages of change according to the transtheoretical model. Program use and acceptance were compared between the two intervention groups differing in support intensity. An exploration of the short-term efficacy of the program was conducted by comparing the three study groups at the end of the 3-month intervention program on smoking variables.
RESULTS: The median number of replies to the weekly SMS assessments was 12.5 in the 1SMS group and 13.0 in the 3SMS group (not significant). The acceptance of the program did not differ between the intervention groups. At postassessment, no significant differences between the three study groups emerged on the examined smoking variables.
DISCUSSION: The high participation and retention rates suggest that SMS-based smoking cessation interventions are attractive for young adults. Support intensity did not affect the acceptance of the program. Longer follow-up periods and larger samples are required to obtain conclusive results about the efficacy of this intervention approach.
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