数字干预对成年人体育锻炼的影响:大规模样本随机对照试验

IF 3.6 2区 医学 Q1 HEALTH CARE SCIENCES & SERVICES
Urs Alexander Fichtner , Iris Tinsel , Matthias Sehlbrede , Phillip Maiwald , Martina Bischoff , Gloria Metzner , Christian Schlett , Judith Brame , Jan Kohl , Daniel König , Rainer Bredenkamp , Ramona Wurst , Erik Farin-Glattacker
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引用次数: 0

摘要

缺乏体育锻炼与健康风险有关,可导致各种疾病和全因死亡率。尽管建议定期进行体育锻炼(PA),但受社会经济和环境因素的影响,许多成年人仍然不爱运动。数字化干预措施,尤其是基于网络的体育锻炼计划,为促进不同人群的体育锻炼提供了广阔的前景。这些程序的有效性各不相同,反映出在设计、用户参与和行为改变技术方面的差异。本研究评估了为期 12 周的多模式网络 TKFitnessCoach 的有效性。PA 在线计划是 TK-HealthCoach 的一部分。本研究比较了互动式个性化网络干预和非互动式网络健康信息,调查了该计划对自我报告的运动量水平、目标实现情况、与健康相关的生活质量、体重和饮食行为的影响。在一项随机对照试验(RCT)中,参与者被分配到干预组(IG)和对照组(CG)中,前者可以访问交互式 TK 健身教练,后者则是一个静态网站,提供以证据为基础的 PA 信息。研究对象是对改善健康行为感兴趣的德语成人。在 T0(研究开始)、T1(干预后)、T2(6 个月)和 T3(12 个月)的随访中对数据进行了评估,重点是 T3 时自我报告的 PA 以及各种次要结果。我们发现,IG 和 CG 的社会人口分布相当,平均年龄分别为 42.8 岁(IG)和 43.1 岁(CG),女性参与者占 76.1%(IG)和 74.7%(CG)。基线时,IG 的 PA 为 277.9 分钟/周,CG 为 273.3 分钟/周。随着时间的推移,IG(意向治疗数据集 = 1153)和 CG(意向治疗数据集 = 1177)的 PA 均有显著增加(IG(T3-T0) = 72.92 分钟/周;CG(T3-T0) = 74.12 分钟/周)。两个项目都能有效促进成年人的体育锻炼,两个 RCT 组之间没有观察到明显差异。这凸显了数字干预在解决缺乏运动问题方面的潜力,表明此类项目的有效性可能不仅仅取决于其互动性,还取决于所提供信息的质量和相关性。需要进一步研究探索此类干预措施的优化策略,尤其是针对低运动活跃度人群的策略,包括用户参与、行为改变技术以及整合客观运动活跃度跟踪方法。德国临床试验注册 DRKS00020249; .
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of a digital intervention on physical activity in adults: A randomized controlled trial in a large-scale sample

Background

Physical inactivity is associated with health risks, contributing to various diseases and all-cause mortality. Despite recommendations for regular physical activity (PA), many adults remain inactive, influenced by socioeconomic and environmental factors. Digital interventions, particularly web-based PA programs, offer promising possibilities to promote PA across populations. These programs vary in their effectiveness, reflecting differences in design, user engagement, and behavior change techniques employed.

Objective

This study evaluates the effectiveness of the 12-week multimodal web-based TKFitnessCoach. The PA online program is part of the TK-HealthCoach. This study investigates the program's impact on self-reported PA levels, goal attainment, healthrelated quality of life, body weight, and eating behavior, comparing an interactive personalized web-based intervention and non-interactive web-based health information.

Methods

In a randomized controlled trial (RCT), participants were allocated to either the intervention group (IG), receiving access to the interactive TK-FitnessCoach, or the control group (CG) that was provided a static website with evidence-based information on PA. The study targeted a German-speaking adult population interested in improving health behavior. Data was assessed at T0 (beginning of the study), T1 (postintervention), T2, 6 months, and T3, 12 months follow-ups, focusing on self-reported PA at T3 and on various secondary outcomes.

Results

We achieved equally distributed sociodemographics in both the IG and the CG with a mean age of 42.8 (IG), resp. 43.1 years (CG), and female participants of 76.1 % (IG), resp. 74.7 % (CG). PA at baseline was 277.9 min/week in the IG and 273.3 min/week in the CG. Both, the IG (n = 1153 in the Intention-to-treat (ITT) dataset) and CG (n = 1177 in the ITT dataset) exhibited significant increases in PA over time (IG(T3-T0) = 72.92 min/week; CG(T3-T0) = 74.12 min/week).

However, the study did not find significant differences in the effectiveness of the interactive TK-FitnessCoach compared to the non-interactive control in terms of improving PA and related health outcomes. The intensity of using the TK-FitnessCoach was not associated with PA.

Conclusions

Both programs were effective in promoting PA among adults, with no significant differences observed between the two RCT groups. This highlights the potential of digital interventions in addressing physical inactivity, suggesting that the effectiveness of such programs may not solely depend on their interactivity but also on the quality and relevance of the information provided. Further research is needed to explore optimization strategies for such interventions, especially for persons with low PA, including user engagement, behavior change techniques, and the integration of objective PA tracking methods.

Trial registration

German Clinical Trials Register DRKS00020249; https://drks.de/search/en/trial/DRKS00020249.

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来源期刊
CiteScore
6.50
自引率
9.30%
发文量
94
审稿时长
6 weeks
期刊介绍: Official Journal of the European Society for Research on Internet Interventions (ESRII) and the International Society for Research on Internet Interventions (ISRII). The aim of Internet Interventions is to publish scientific, peer-reviewed, high-impact research on Internet interventions and related areas. Internet Interventions welcomes papers on the following subjects: • Intervention studies targeting the promotion of mental health and featuring the Internet and/or technologies using the Internet as an underlying technology, e.g. computers, smartphone devices, tablets, sensors • Implementation and dissemination of Internet interventions • Integration of Internet interventions into existing systems of care • Descriptions of development and deployment infrastructures • Internet intervention methodology and theory papers • Internet-based epidemiology • Descriptions of new Internet-based technologies and experiments with clinical applications • Economics of internet interventions (cost-effectiveness) • Health care policy and Internet interventions • The role of culture in Internet intervention • Internet psychometrics • Ethical issues pertaining to Internet interventions and measurements • Human-computer interaction and usability research with clinical implications • Systematic reviews and meta-analysis on Internet interventions
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