Understanding Physical Activity Behavior Of Type 2 Diabetics Using The Theory Of Planned Behavior And Structural Equation Modeling

Abstract—Understanding patient factors related to physical

activity behavior is important in the management of Type 2 Diabetes.

This study applied the Theory of Planned Behavior model to

understand physical activity behavior among sampled Type 2

diabetics in Kenya. The study was conducted within the diabetic

clinic at Kisii Level 5 Hospital and adopted sequential mixed

methods design beginning with qualitative phase and ending with

quantitative phase. Qualitative data was analyzed using grounded

theory analysis method. Structural equation modeling using

maximum likelihood was used to analyze quantitative data. The

common fit indices revealed that the theory of planned behavior

fitted the data acceptably well among the Type 2 diabetes and within

physical activity behavior {χ2 = 213, df = 84, n=230, p = .061, χ2/df =

2.53; TLI = .97; CFI =.96; RMSEA (90CI) = .073(.029, .08)}. This

theory proved to be useful in understanding physical activity

behavior among Type 2 diabetics.

Keywords—Physical activity, Theory of Planned Behavior, Type

2 diabetes, Kenya.

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