Telephone-Based Motivational Interviewing to Promote Physical Activity and Stage of Change Progression in Older Adults

in Journal of Aging and Physical Activity
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This study examined the efficacy of motivational interviewing (MI) for increasing physical activity in aging adults. Eighty-six participants aged 55 years and older were randomly assigned to receive either four weekly sessions of telephone-based MI for increasing physical activity, or a healthy activity living guide (information only control). Changes from baseline weekly caloric expenditure from physical activity, self-efficacy for physical activity, and stage of change for physical activity were compared across groups at posttreatment and six months follow-up. Results indicated that MI participants had higher weekly caloric expenditures from physical activity at posttreatment, but not at six months follow-up; higher self-efficacy for physical activity at six months follow-up; and demonstrated greater stage of change progression across assessments. These findings support the use of telephone-based MI for increasing physical activity in older adults in the short-term. Future studies will need to determine if follow-up booster sessions increase long-term efficacy.

Lilienthal, Evans Pignol, and Holm are with the Department of Psychology and Center for Health Promotion and Prevention Research, University of North Dakota, Grand Forks, ND. Vogeltanz-Holm is with the Department of Clinical Neuroscience and Center for Health Promotion and Prevention Research, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND.

Address author correspondence to Nancy Vogeltanz-Holm at nancy.vogeltanz@med.und.edu.