Effects of a home-based walking intervention on mobility and quality of life in people with diabetes and peripheral arterial disease: A randomized controlled trial

Tracie C. Collins, Scott Lunos, Teri Carlson, Kimberly Henderson, Marissa Lightbourne, Brittney Nelson, James S. Hodges

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

OBJECTIVE - Determine the efficacy of a home-based walking intervention to improve walking ability and quality of life in people with diabetes and peripheral arterial disease (PAD). RESEARCH DESIGN AND METHODS - We conducted a randomized, controlled, single-blind trial within university-affiliated clinics in our local community. We randomized 145 participants (45 women) with diabetes and PAD to our intervention - a 6-month behavioral intervention targeting levels of readiness to engage in routine walking for exercise - versus attention control. Our primary outcome was 6-month change in maximal treadmill walking distance. Secondary outcomes included 3-month change in maximal walking distance, lower limb function (i.e., walking impairment scores), quality of life (Medical Outcomes Short Form Survey), exercise behaviors, depressive symptoms, and self-efficacy at 3 and 6 months. RESULTS - The mean age of participants was 66.5 (SD 10.1) years. Intervention and control groups did not differ significantly in 6-month change in maximal treadmill walking distance (average [SE] 24.5 [19.6] meters vs. 39.2 [19.6] meters; P = 0.60). Among secondary outcomes, for the intervention and control groups, respectively, average walking speed scores increased by 5.7 [2.2] units and decreased by 1.9 [2.8] units (P = 0.03); the mental health quality of life subscale score increased by 3.2 [1.5] and decreased by 2.4 [1.5] units (P = 0.01). CONCLUSIONS - A home-basedwalking intervention did not improvewalking distance but did improve walking speed and quality of life in people with diabetes and PAD. Clinicians should consider recommending home-based walking therapy for such patients.

Original languageEnglish (US)
Pages (from-to)2174-2179
Number of pages6
JournalDiabetes care
Volume34
Issue number10
DOIs
StatePublished - Oct 2011

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