%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 23 %N 11 %P e29003 %T Effectiveness of Information and Communication Technology on Obesity in Childhood and Adolescence: Systematic Review and Meta-analysis %A Park,Jihyun %A Park,Mi-Jeong %A Seo,Young-Gyun %+ Department of Family Medicine, Hallym University Sacred Heart Hospital, 22, Gwanpyeong-ro 170beon-gil, Dongan-gu, Anyang, 14068, Republic of Korea, 82 31 380 3805, yg035@daum.net %K ICT %K eHealth %K mHealth %K weight loss %K obesity %K BMI %K meta-analysis %K randomized controlled trial %K children %K adolescents %K mobile phone %D 2021 %7 17.11.2021 %9 Review %J J Med Internet Res %G English %X Background: Internet or mobile device use as a form of information and communication technology (ICT) can be more effective in weight loss and weight maintenance than traditional obesity interventions. Objective: The study aims to assess the effectiveness of child-centered ICT interventions on obesity-related outcomes. Methods: Articles were retrieved from the Cochrane Central Register of Controlled Trials, Embase, and PubMed web-based databases. We selected randomized controlled trials in which the participants were aged <18 years. The primary outcomes were BMI, body weight, BMI z-score, waist circumference, and percentage body fat. Results: In total, 10 of the initial 14,867 studies identified in the databases were selected according to the inclusion criteria. A total of 640 participants were included in the intervention group and 619 in the comparator group. Meta-analyses were conducted considering various subgroups (intervention type, comparator type, target participants, mean age, sex, BMI status, and follow-up period). Overall, ICT interventions demonstrated no significant effect on BMI, body weight, BMI z-score, waist circumference, and percentage body fat. Subgroup analyses revealed that the effect of the intervention was statistically significant for the following: web intervention (weighted mean difference [WMD]=−1.26 kg/m2, 95% CI −2.24 to −0.28), lifestyle modification comparator (WMD=−1.75, 95% CI −2.76 to −0.74), intervention involving both boys and girls (WMD=−1.30, 95% CI −2.14 to −0.46), and intervention involving obesity only (WMD=−1.92, 95% CI −3.75 to −0.09). Conclusions: The meta-analysis results for children with obesity who used the web intervention program confirmed significant effects on BMI reduction compared with lifestyle modification. Evidence from the meta-analysis identified internet technology as a useful tool for weight loss in children with obesity. %M 34787572 %R 10.2196/29003 %U https://www.jmir.org/2021/11/e29003 %U https://doi.org/10.2196/29003 %U http://www.ncbi.nlm.nih.gov/pubmed/34787572