EFFECTS OF WEIGHT CONTROL MOBILE APPLICATION ON FOOD CONSUMPTION BEHAVIOR, PHYSICAL ACTIVITY, AND BODY WEIGHT IN OVERWEIGHT ADOLESCENTS
Keywords:
weight control mobile application, overweight adolescentsAbstract
This quasi-experimental research, namely two-group pretest-posttest design, aimed to study the effects of a weight control mobile application on food consumption behavior, physical activity, and the body weight of overweight adolescents. Multi-stage random sampling was used to obtain a control group (n = 48) and an experimental group (n = 48), in which each sampled their matched in another group who had the same gender and age. The experimental group received the weight control mobile application for a period of 8 weeks. Research instruments were 1) a weight control mobile application, 2) a weight control mobile application handbook, 3) a demographic data questionnaire, and 4) a food consumption behavior questionnaire. Demographic data were analyzed using descriptive statistics which were Chi-square, paired t-test, independent t-test, Wilcoxon test and Mann-Whitney U-test.
The results revealed as followed: The mean score of food consumption behavior after the intervention between the experimental and the control group was not significantly different (t = -1.00, p = .32). The mean rank score of physical activity after the intervention in the experimental group was significantly higher than that of the control group (z = -3.73, p = .00), and the mean score of the body weight after the intervention in the experimental group was significantly lower than that of the control group (t = 3.20, p = .00).
The weight control mobile application may help overweight adolescents in school to have better food consumption and physical activity behaviors, which in turn then reduces their weights. Therefore, schools should adopt this weight control mobile application to control the body weight in overweight adolescents at school or outside school.
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