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Association between Transtheoretical Model constructs and dietary fat intake in type 2 diabetic patients
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A Karimzadeh   , M Farvid * , Z Farvid , E Shakibazadeh |
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Abstract: (8385 Views) |
| Background and objective: Self-management of diabetes, like blood glucose monitoring and dietary fat restriction, is considered a type of healthy behavior. The Transtheoretical Model (TTM) is now presently of the most widely used models of health behavior change. The objective of this study was to determine the association between TTM constructs and the percentage (%) of energy from dietary fat intake in type 2 diabetic patients.
Material and Methods: In this descriptive-analytical study, conducted in 2011, a total of 132 type 2 diabetic patients 30-65 years old participated. The constructs of TTM, including the stage of change in fat intake behavior, self-efficacy, and decisional balance, were assessed using questionnaires. In addition, based on a four-day food record completed by the patients, the percentage of energy intake from fats was determined by using the USDA software. ANOVA, Pearson and Spearman correlations were used to analyze the data.
Results: The data showed that, of all the subjects, 25 (18.9%) were in the maintenance stage, 24 (18.2%) in the action stage, 27 (20.5%) in the preparation stage, 29 (22%) in the contemplation stage, and 27 (20.5%) in the pre-contemplation stage. Self-efficacy increased significantly (p<0.001) progressively with stages of bahavior change. Similarly, with progression of stages of behavior change, there were statistically significant increases in perceived benefits of behavior change (p<0.001) and decisional balance (p<0.001), as well as a decrease in perceived barriers (p<0.001). As the stages of bahavior change progressed, the percentage of energy intake from dietary fat decreased significantly (p<0.001).
Conclusion: Subjets in the final stages of behavior change feel significantly more perceived benefits of, and fewer barriers to, reducing dietary fat, and have a significantly lower fat intake than those in other stages. As the satege of behavior change progresses, self-efficacy for reducuction in dietary fat intake increases significantly. Therefore, with an incresase in perceived benefits and self-efficacy, along with a decrease in perceived barriers, diabetic subjects can proceed to final stages of behavior change with regard to reduction of dietary fat and maintain the changed behavior.
Keywords: Transtheoretical model, Self-efficacy, Decisional balance, Type 2 diabetes, Dietary fat. |
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| Keywords: Transtheoretical model, Self-efficacy, Decisional balance, Type 2 diabetes, Dietary fat |
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Full-Text [PDF 309 kb]
(4470 Downloads)
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Article type: Research |
Subject:
nutrition
Received: 2013/08/6 | Published: 2013/05/15
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