Pedometer-determined ambulatory activity in individuals with type 2 diabetes

被引:80
作者
Tudor-Locke, CE
Bell, RC
Myers, AM
Harris, SB
Lauzon, N
Rodger, NW
机构
[1] Univ Western Ontario, Ctr Act & Ageing, London, ON, Canada
[2] St Josephs Hlth Ctr, London, ON, Canada
[3] Univ S Carolina, Prevent Res Ctr, Columbia, SC 29208 USA
[4] Univ Alberta, Edmonton, AB T6G 2M7, Canada
[5] Univ Waterloo, Dept Hlth Studies & Gerontol, Waterloo, ON N2L 3G1, Canada
[6] Univ Western Ontario, Fac Med & Dent, London, ON N6A 3K7, Canada
[7] Univ Western Ontario, St Josephs Hlth Ctr, Lawson Diabet Ctr, London, ON N6A 3K7, Canada
关键词
walking; exercise; physical activity;
D O I
10.1016/S0168-8227(01)00317-5
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
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. Published by Elsevier Science Ireland Ltd.
引用
收藏
页码:191 / 199
页数:9
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