Applying Exercise Stage of Change to a Low-income Underserved Population

The University of Texas M.D. Anderson Cancer Center, Department of Behavioral Science, Houston, TX 77030-4095, USA.
American journal of health behavior (Impact Factor: 1.31). 03/2003; 27(2):99-107. DOI: 10.5993/AJHB.27.2.1
Source: PubMed


To validate the transtheoretical model for exercise behavior and the constructs of decisional balance and self-efficacy for exercise in a low-income, poorly educated primary care sample.
Patients attending public primary-care clinics from 4 separate sites in Louisiana were interviewed regarding their health behaviors.
The data provide equivocal support for applying the transtheoretical model for exercise and integrating it with other models of behavior change within this population.
Further studies modifying the decisional balance measures are necessary before definitive statements regarding the applicability of these models to exercise within this specialized population can be made.

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    • "The endorsement of more pros and fewer cons has been associated with more advanced SOC (e.g., action and maintenance) whereas more cons and fewer pros have been related to earlier SOC (e.g., precontemplation and contemplation) (Prochaska et al., 1994). Previous research has assessed this model in African American patients (Boudreaux et al. 1998; Carmack-Taylor et al., 2003; O'Hea et al., 2004) and have found mixed results. However, it has not been used to examine weight loss SOC specifically, or in individuals who received a stage-targeted weight loss intervention. "
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    ABSTRACT: Mode of access: World Wide Web. Title from document title page. Thesis (Ph. D.)--Louisiana State University, Baton Rouge, 2006.
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    ABSTRACT: Background/Purpose Identifying mediators of physical activity change requires measurement instruments that are reliable, valid, and generalizable to multiple populations. Despite continued application of the transtheoretical model (TTM) to the study of physical activity, the structural components of the TTM measurement instruments have been understudied in diverse populations. Methods A multiethnic sample (N = 700, M age = 47, 63% women, 38% Caucasian) of participants living in Hawaii completed TTM measures. The factor validity and measurement equivalence/invariance (ME/I) of decisional balance, barrier self-efficacy, temptations, and processes of change instruments were explored between men, women, age groups, and ethnicities. Results/Conclusions Measurement models of barrier self-efficacy and revised models of temptations and processes of change demonstrated sufficient evidence for ME/I among all subgroups. A revised model of decisional balance demonstrated sufficient evidence for ME/I between genders and among ethnicities, but not among age groups. Future research should examine the stability of these constructs across time.
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