| Summary: | 碩士 === 輔英科技大學 === 護理系碩士班 === 102 === Background: Adolescent obesity is an important health issue worldwide, and the prevalence has increased steadily. Often use diet and exercise to promote weight loss during weight management wishes to achieve weight loss results. But up to now only a few literatures for dietary adjustments and aerobic exercise to detect the effectiveness of weight management.
Objective: This study is to examine the differences in the effectiveness of weight management in overweight (defined as Body Mass Index ≥ 23.4) adolescents based on the implementation of two strategies on dietary adjustment and aerobic exercise intervention.
Methods: A quasi-experimental research design was used in this study. The participants are 49 high school students (age 16-18, BMI ≥ 23.4) in Taitung, with the loss of 9 cases during the study period. 21 students were assigned to the experimental group while 19 students to the control group. The grouping was done in the chronological order of participant entry. Subjects in the control group underwent 8-week exercise (including self-selected exercise three times per week, 20-minute walk-jog workout for each time) and took 2 diet and nutrition courses. Subjects in the experimental group underwent 8-week exercise (including at least 10-minute stretching exercise three times per day) and carried out an 8-week dietary adjustment plan (including a 35-minute nutrition course per week), with the record of “healthy life self-management chart.”
Results: The post-test results conducted through nonparametric Wilcoxon signed-rank test are as follows: after the 8-week implementation of intervention strategies, subjects in the control groups show significant differences in the amounts of weight, body fat percentage, BMI, waist circumference, and visceral fat. Meanwhile, in the experimental group, statistically significant differences are revealed in the weight, body fat percentage, BMI, waist circumference, visceral fat and 1600-meter cardiorespiratory endurance test. On the other hand, the results conducted through Mann-Whitney U Test display that between these two groups, no significant differences are observed in the amounts of weight, body weight percentage, BMI, waist circumference, and visceral fat. Yet the results in the experimental group display a statistically significant difference in the 1600-meter cardiorespiratory endurance test.
Conclusion: Two dietary modification and exercise intervention can significantly reduce adolescent weight, BMI, waist circumference, visceral fat, but the experimental group was able to effectively increase cardiovascular endurance and decrease body fat. This result may provide nurses for youth weight management an important reference.
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