The Effects of a Planned Behavior Program on The Eating and Physical Activity Behavior of Overweight Late Primary School-Aged Children

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Supalux Srithanya Srithanya
Wanalada Thongbai
Jeeraporn Kummabutr


Purpose: To examine the effects of a planned behavior program on the eating behavior and
physical activity behavior in late primary school-aged children with overweight.
Method: Quasi–experimental design
Design: This study employed the theory of Planned Behavior as the framework. Simple random
sampling was used in order to select a sample of children aged 10 to 12 years studying in the
public school in, Saraburi, Thailand. The sample group was selected in accordance with the
criteria and randomly chosen to be in the experimental group and control group. Thirty-five
children in the experimental group were assigned to the 6-week behavioral change program and
other 35 children in the control group received normal treatment. The duration of the study was
6 weeks for the experimental group. Eating behavior and physical activity questionnaires were
used for collecting the data before and after the intervention. Data were analyzed using descriptive
statistics and t-test.
Results: The mean score for the eating behavior and physical activity of the experimental group
after the program was higher than on the pretest, with a statistical significance (p < .01). Further,
the mean score for the eating behavior and physical activity behaviors of the experimental group
was higher than that of the control group with a statistical significance of p < .01.
Conclusion: Nurses can use this program by coordinating with teachers and main caregivers in
order to encourage children with obesity to develop appropriate behavior.


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