Using the theory of planned behavior to predict leisure time physical activity among people with chronic kidney disease

Objective: To evaluate the utility of the theory of planned behavior (TPB) for explaining and predicting leisure time physical activity (LTPA) in the chronic kidney disease population. Study Design: Prospective correlational design. Participants: Eighty men (n = 52) and women (n = 28) with chronic kidney disease (mean serum creatinine = 310.55 [+/- 148.75] mu mol/L). Method. Baseline interview assessing attitude, subjective norm, perceived behavioral control, and intention to engage in LTPA. Telephone interview 1 week later assessing frequency and intensity of LTPA. Results: Perceived behavioral control (beta = .69) but not attitude (beta = .17) or subjective norm (beta = .02) was associated with intention to engage in LTPA. Intention (beta = .53) but not perceived behavioral control (beta = .18) predicted LTPA. Conclusion: These findings provide partial support for the utility of the TPB for explaining LTPA among people with chronic kidney disease. Additional research is required to determine if targeting perceived behavioral control may be an effective means for increasing LTPA in this population.