Abstract
BACKGROUND
Although patients with diabetes may benefit from physical activity, few studies have examined sustained walking in this population.
OBJECTIVE
To examine the factors associated with sustained walking among managed care patients with diabetes.
DESIGN
Longitudinal, observational cohort study with questionnaires administered 2.5 years apart.
PARTICIPANTS
Five thousand nine hundred thirty-five patients with diabetes walking at least 20 minutes/day at baseline.
MEASUREMENTS
The primary outcome was the likelihood of sustained walking, defined as walking at least 20 minutes/day at follow-up. We evaluated a logistic regression model that included demographic, clinical, and neighborhood variables as independent predictors of sustained walking, and expressed the results as predicted percentages.
RESULTS
The absence of pain was linked to walking behavior, as 62% of patients with new pain, 67% with ongoing pain, and 70% without pain were still walking at follow-up (p = .03). Obese patients were less likely (65%) to sustain walking than overweight (71%) or normal weight (70%) patients (p = .03). Patients ≥65 years (63%) were less likely to sustain walking than patients between 45 and 64 (70%) or ≤44 (73%) years (p = .04). Only 62% of patients with a new comorbidity sustained walking compared with 68% of those who did not (p < .001). We found no association between any neighborhood variables and sustained walking in this cohort of active walkers.
CONCLUSIONS
Pain, obesity, and new comorbidities were moderately associated with decreases in sustained walking. Whereas controlled intervention studies are needed, prevention, or treatment of these adverse conditions may help patients with diabetes sustain walking behavior.
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Acknowledgements
This study was jointly funded by Program Announcement number 04005 from the Centers for Disease Control and Prevention (Division of Diabetes Translation) and the National Institute of Diabetes and Digestive and Kidney Diseases. The findings and conclusions of this study are those of the authors and do not necessarily represent the official views of the Centers for Disease Control and Prevention or the National Institute of Diabetes and Digestive and Kidney Diseases.
Dr. Mangione received support from the University of California, Los Angeles, Center for Health Improvement of Minority Elderly/Resource Centers for Minority Aging Research, NIH/NIA, under grant P30AG021684.
Drs. Mangione and Duru received support from UCLA/Drew Project EXPORT, National Institutes of Health, National Center on Minority Health & Health Disparities (P20MD000148/P20MD000182).
Significant contributions to this study were made by members of the Translating Research into Action for Diabetes (TRIAD) Study Group.
The authors acknowledge the participation of our health plan partners.
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None disclosed.
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Duru, O.K., Gerzoff, R.B., Brown, A.F. et al. Predictors of Sustained Walking among Diabetes Patients in Managed Care: The Translating Research into Action for Diabetes (TRIAD) Study. J GEN INTERN MED 23, 1194–1199 (2008). https://doi.org/10.1007/s11606-008-0629-6
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DOI: https://doi.org/10.1007/s11606-008-0629-6