Phattharaphakinworakun Anavin, Somdee Thidarat, Thongjit Supattarayan, Yangyuen Suneerat
Faculty of Public Health, Mahasarakham University, Thailand.
Institute of Dentistry, Suranaree University of Technology, Thailand.
J Res Health Sci. 2025 Apr 1;25(2):e00644. doi: 10.34172/jrhs.2025.179.
Behavioral modification programs have improved body composition, dietary behavior (DB), and physical activity (PA). However, there is limited evidence on the effectiveness of these programs among overweight high school students in rural areas of Thailand. Therefore, this study aimed to examine the effects of a school-based behavioral modification (SBM) program on these factors among high school students with overweight. This study employed a randomized controlled trial.
The study was conducted from November 2022 to May 2023 among overweight high school students. A total of 100 overweight students were randomly assigned to either an intervention (n=50) or a control (n=50) group. The intervention group received an SBM, while the control group received the usual educational program. The chi-square test, independent-samples t-test, Mann-Whitney U test, ANOVA, and Cochran's Q test were used to analyze data.
Both groups were female (72.0%), with a mean age of 17.03 years. At the follow-up, the intervention group demonstrated significant improvements in DB and PA and a reduction in sedentary behavior compared to the control group (<0.05). Additionally, statistically significant differences were observed between the intervention and control groups regarding biceps (=0.001), triceps (=0.031), and waist circumference (<0.001).
The SBM effectively increased students' PA, improved DBs, decreased sedentary behavior, and resulted in changes in body composition. These findings indicated that SBM programs are useful for healthcare providers or teachers to promote healthy behaviors among students and can be applied in related research in different contexts and situations.
行为矫正计划已改善了身体成分、饮食行为（DB）和身体活动（PA）。然而，在泰国农村地区超重高中生中，关于这些计划有效性的证据有限。因此，本研究旨在探讨基于学校的行为矫正（SBM）计划对超重高中生这些因素的影响。本研究采用了随机对照试验。
该研究于2022年11月至2023年5月在超重高中生中进行。总共100名超重学生被随机分配到干预组（n = 50）或对照组（n = 50）。干预组接受SBM，而对照组接受常规教育计划。使用卡方检验、独立样本t检验、曼-惠特尼U检验、方差分析和 Cochr an Q检验来分析数据。
两组均为女性（72.0%），平均年龄为17.03岁。在随访时，与对照组相比，干预组在DB和PA方面有显著改善，久坐行为减少（<0.05）。此外，在干预组和对照组之间，肱二头肌（=0.001）、肱三头肌（=0.031）和腰围（<0.001）方面观察到统计学上的显著差异。
SBM有效地增加了学生的PA，改善了DB，减少了久坐行为，并导致身体成分发生变化。这些发现表明，SBM计划对医疗保健提供者或教师促进学生的健康行为很有用，并且可以应用于不同背景和情况的相关研究中。
