Pedometer-determined ambulatory activity in individuals with type 2 diabetes

This cross-sectional study presents the first normative data on pedometer-determined ambulatory activity, defined as steps/day, in 160 (98 males, 62 females; age=52.4±5.3 years; BMI=32.3±5.7) free-living individuals with type 2 diabetes. Participants took 6662±3077 steps per day, less than that repo...

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Bibliographic Details
Published in:	Diabetes research and clinical practice Vol. 55; no. 3; pp. 191 - 199
Main Authors:	Tudor-Locke, Catrine E, Bell, Rhonda C, Myers, Anita M, Harris, Stewart B, Lauzon, Nicola, Rodger, N.Wilson
Format:	Journal Article
Language:	English
Published:	Shannon Elsevier Ireland Ltd 01-03-2002 Elsevier Science
Subjects:	Biological and medical sciences Body Mass Index Cardiology. Vascular system Cross-Sectional Studies Data Collection - methods Diabetes Mellitus, Type 2 - diet therapy Diabetes Mellitus, Type 2 - drug therapy Diabetes Mellitus, Type 2 - physiopathology Diabetes. Impaired glucose tolerance Endocrine pancreas. Apud cells (diseases) Endocrinopathies Etiopathogenesis. Screening. Investigations. Target tissue resistance Exercise Exercise - physiology Female Health Status Heart Heart failure, cardiogenic pulmonary edema, cardiac enlargement Humans Hypoglycemic Agents - therapeutic use Male Medical sciences Middle Aged Motor Activity - physiology Physical activity Walking Walking - physiology Physical activity Walking Exercise Endocrinopathy Heart Human Heart failure Claudication Obesity Lung disease Correlation Respiratory disease Sample Nutrition disorder Cardiovascular disease Male Joint Non insulin dependent diabetes Weight Chronic Heart disease Cross sectional study Female Ambulatory Nutritional status Comparative study
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Summary:	This cross-sectional study presents the first normative data on pedometer-determined ambulatory activity, defined as steps/day, in 160 (98 males, 62 females; age=52.4±5.3 years; BMI=32.3±5.7) free-living individuals with type 2 diabetes. Participants took 6662±3077 steps per day, less than that reported in nondiabetic samples and more than that reported for samples living with more restrictive chronic conditions including claudication, joint replacement, chronic obstructive lung disease, and chronic heart failure. Steps/day and BMI were inversely and significantly correlated ( r=−0.27, P<0.01). Further, there was a significant difference between BMI categories (from normal weight to obesity class III) with regard to steps/day ( F=2.96, P<0.05). The difference was most apparent between the highest obesity classes (II and III) and normal weight categories. This data is useful for sample comparison purposes. In addition the standard deviation or variance estimates can be used to calculate samples sizes for intervention efforts. Objective quantification of ambulatory activity via simple and inexpensive pedometers permits researchers and practitioners to easily screen for level of activity along a continuum. This study opens the door for future research and clinical applications including identifying threshold values related to important health outcomes and evaluating incremental change due to various interventions in this population.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0168-8227 1872-8227
DOI:	10.1016/S0168-8227(01)00317-5