Effectiveness and Outcome Moderators of Computer-Based Health Education for an Adult Population: A systematic Review of MetaAnalytic Studies
Journal: Journal of Interdisciplinary Sciences (Vol.2, No. 2)Publication Date: 2018-11-02
Authors : Leontien E. Vreeburg René F.W. Diekstra; Clemens M.H. Hosman;
Page : 38-69
Keywords : Online interventions; computer-based; health; moderator; meta-analytic;
Abstract
Abstract: This review of meta-analyses of outcome studies of adults receiving Computer-Based Health Education (CBHE) has two goals. The first is to provide an overview of the efficacy of CBHE interventions, and the second is to identify moderators of these effects. A systematic literature search resulted in 15 meta-analyses of 278 controlled outcome studies. The meta-analyses were analysed with regard to reported (overall) effect sizes, heterogeneity and interaction effects. The results indicate a positive relationship between CBHE interventions and improvements in health-related outcomes, with small overall effect sizes compared to non-computer-based interventions. The sustainability of the effects was observed for up to six months. Outcome moderators (31 variables) were studied in 12 meta-analyses and were clustered into three categories: intervention features (20 variables), participant characteristics (five variables) and study features (six variables). No relationship with effectiveness was found for four intervention features, theoretical background, use of internet and email, intervention setting and self-monitoring; two participant features, age and gender; and one study feature, the type of analysis. Regarding the other 24 identified features, no consistent results were observed across meta-analyses. To enhance the effectiveness of CBHE interventions, moderators of effects should be studied as single constructs in high-quality study designs.
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Last modified: 2018-11-02 17:59:51