Effects of a School-Based Overweight Control Program on Primary School Students in Nonthaburi Province

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Napaphen Jantacumma
Sumatchara Manachevakul
Aree Cheevakasemsook
Pattaya Kaewsan
Pornnisa Sanboonsong


            This one group pretest-posttest quasi-experimental design aimed to investigate the effects of a school-based overweight control program on primary school students, in Nonthaburi province. The sample was selected by purposive sampling with the inclusion criteria consisted of 31 primary school students who were overweight and obese. Research instruments included a school-based overweight control program on primary school students, knowledge and behavior regarding overweight control questionnaires. The content validity indexes of overweight control knowledge and behavior questionnaire was 0.86. Kuder-Richardson 20 of overweight control knowledge test was 0.71 and Cronbach’s alpha coefficients of overweight control behavior test was 0.74. Data were analyzed by descriptive statistic and paired t-test.
            The research results revealed that after participating in this program: 1) the sample had statistically significant higher mean score of knowledge regarding overweight control than before participating the program (p < .001), 2) the sample had no difference in mean score of behavior regarding overweight control than before participating the program and 3) the sample had no difference body weight than before participating in this program.
            The results shown that the program can improve the knowledge. However there were no difference in behavior regarding overweight control and body weight. These might be related to the limited duration of evaluating the outcome. This need to extend longer than a month to explore the obvious change in outcome.


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