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Arch Intern Med. 1998 Aug 10-24;158(15):1695-701.

A randomized walking trial in postmenopausal women: effects on physical activity and health 10 years later.

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  • 1Division of Epidemiology, University of Minnesota, Minneapolis 55454, USA. pereira@epivax.epi.umn.edu

Abstract

BACKGROUND:

It is important to determine if permanent lifestyle changes may result from physical activity interventions and whether health may be affected by these changes.

OBJECTIVE:

To conduct a 10-year follow-up of physical activity and self-reported health status in participants of a randomized clinical trial of walking intervention.

METHODS:

Of the original 229 volunteer postmenopausal women who participated in the original clinical trial, 196 (N = 96 intervention and 100 controls) completed the 10-year follow-up telephone interview. The interview protocol included questions on self-reported walking for exercise and purposes other than exercise, the Paffenbarger sport and exercise index, functional status, and various chronic diseases and conditions.

RESULTS:

The median values for both usual walking for exercise and total walking were significantly higher for walkers compared with controls (for both, P = .01), with median differences of 706 and 420 kcal/wk, respectively. After excluding women who reported heart disease during the original trial, 2 women in the walking group (2%) and 11 women in the control group (12%) reported physician-diagnosed heart disease over the last 10 years (P = .07). There were also fewer hospitalizations, surgeries, and falls among women in the walking group, although these differences were not statistically significant (P>.05).

CONCLUSIONS:

Although limited by self-report, this study may be the first to demonstrate long-term exercise compliance to a randomized control trial in older women and to suggest that health benefits may have ensued as a result of these increased activity levels.

Comment in

PMID:
9701104
[PubMed - indexed for MEDLINE]
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