A Behavior Modification Program for Sugar-Sweetened Beverage Consumption among Thai Adolescents Using the Theory of Planned Behavior

Authors

  • Theepanakorn Supphakityothin Region Health Service Support Center 3, Department of Health Service Support, Ministry of Public Health

Keywords:

Behavior Modification, Consumption, Sugar-Sweetened Beverage, Adolescents, Theory of Planned Behavior

Abstract

This quasi-experimental research aimed to examine the effectiveness of a behavior modification program for sugar-sweetened beverage consumption among Thai adolescents using the Theory of Planned Behavior. Participants were 450 secondary school students in Public Health Region 3, divided into an experimental group and a control group, each of 225 students obtained by the purposive sampling technique. Students at each school were randomly drawn into experimental and control groups. The experimental group received a program developed using planned behavior theory. The control group received general health promotion. Data were collected through questionnaires with IOC values between 0.8 and 1.0 and Cronbach alpha values of 0.82, 0.87, 0.95, 0.90, and 0.88. The data were analyzed using descriptive statistics. The effectiveness of the program was tested between groups using an independent t-test and a paired t-test.

The results showed that after completing the program, the experimental group had mean scores of attitudes toward sugar-sweetened beverage consumption behavior, amenability to the reference group, self-awareness, and intention to reduce the consumption of sugar-sweetened beverages higher than before attending the program and higher than the control group. Moreover, the average scores for sugar-sweetened beverage consumption behavior (sugar content g/wk) were lower than before attending the program and lower than the control group, with statistical significance at the 0.05 level.

As a result, the developed program can change behavior in the experimental group. Therefore, it should be implemented with more teenagers and applied to other target groups.

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Published

2023-08-28

How to Cite

Supphakityothin, T. (2023). A Behavior Modification Program for Sugar-Sweetened Beverage Consumption among Thai Adolescents Using the Theory of Planned Behavior. Journal of Health Sciences and Pedagogy, 3(3), 87–101. retrieved from https://he02.tci-thaijo.org/index.php/JHSP/article/view/262310

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Section

Research Articles