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J Clin Epidemiol. 2007 Mar;60(3):309-17. Epub 2006 Oct 2.

Walking decreased risk of cardiovascular disease mortality in older adults with diabetes.

Author information

1
Division of Epidemiology, Department of Family and Preventive Medicine, University of California San Diego, 9500 Gilman Drive 0607, La Jolla, CA 92093-0607, USA.

Abstract

OBJECTIVE:

This study examines the association of walking with mortality in persons with type 2 diabetes compared to those with normal glucose tolerance.

STUDY DESIGN AND SETTING:

This prospective study included community-dwelling adults from the Rancho Bernardo Study aged 50-90 years in 1984-86 who had type 2 diabetes (n=347) or normal glucose tolerance (n=1,317). During the 10-year follow up, Cox proportional hazards modeling was used to model time until death from all causes (n=538), coronary heart disease (CHD, n=143), other cardiovascular disease (non-CHD CVD, n=138), and other causes (n=257) while adjusting for multiple potential confounders.

RESULTS:

After adjusting for sex, age, smoking, body mass index, alcohol, exercise, history of CHD, and other covariates, adults with diabetes who walked > or =1 mile per day were half as likely to die from all causes combined (hazard ratio [HR]=0.54; 95% confidence interval [CI]: 0.33, 0.88), and less than one-fifth as likely to die from non-CHD CVD (HR=0.19; 95% CI: 0.04, 0.86) compared to adults with diabetes who did not walk. Walking was also protective among adults with normal glucose tolerance (HR=0.55; 95% CI: 0.32, 0.96).

CONCLUSION:

Results suggest walking > or =1 mile per day may provide strong protection from all-cause and non-CHD CVD mortality in older adults with diabetes.

PMID:
17292026
PMCID:
PMC2542980
DOI:
10.1016/j.jclinepi.2006.06.013
[Indexed for MEDLINE]
Free PMC Article

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