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J Am Geriatr Soc. 2010 Nov;58(11):2099-106. doi: 10.1111/j.1532-5415.2010.03127.x.

Do pedometers increase physical activity in sedentary older women? A randomized controlled trial.

Author information

  • 1Ageing and Health, University of Dundee, Dundee, UK. m.e.t.mcmurdo@dundee.ac.uk

Abstract

OBJECTIVES:

To determine the effectiveness of a behavior change intervention (BCI) with or without a pedometer in increasing physical activity in sedentary older women.

DESIGN:

Prospective randomized controlled trial.

SETTING:

Primary care, City of Dundee, Scotland.

PARTICIPANTS:

Two hundred four sedentary women aged 70 and older.

INTERVENTIONS:

Six months of BCI, BCI plus pedometer (pedometer plus), or usual care.

MEASUREMENTS:

PRIMARY OUTCOME:

change in daily activity counts measured by accelerometry.

SECONDARY OUTCOMES:

Short Physical Performance Battery, health-related quality of life, depression and anxiety, falls, and National Health Service resource use.

RESULTS:

One hundred seventy-nine of 204 (88%) women completed the 6-month trial. Withdrawals were highest from the BCI group (15/68) followed by the pedometer plus group (8/68) and then the control group (2/64). After adjustment for baseline differences, accelerometry counts increased significantly more in the BCI group at 3 months than in the control group (P = .002) and the pedometer plus group (P = .04). By 6 months, accelerometry counts in both intervention groups had fallen to levels that were no longer statistically significantly different from baseline. There were no significant changes in the secondary outcomes.

CONCLUSION:

The BCI was effective in objectively increasing physical activity in sedentary older women. Provision of a pedometer yielded no additional benefit in physical activity, but may have motivated participants to remain in the trial.

© 2010, Copyright the Authors. Journal compilation © 2010, The American Geriatrics Society.

PMID:
21054290
[PubMed - indexed for MEDLINE]
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