Patterns of adult stepping cadence in the 2005-2006 NHANES

被引:140
作者
Tudor-Locke, Catrine [1 ]
Camhi, Sarah M. [2 ]
Leonardi, Claudia
Johnson, William D.
Katzmarzyk, Peter T.
Earnest, Conrad P.
Church, Timothy S.
机构
[1] Pennington Biomed Res Ctr, Walking Behav Lab, Baton Rouge, LA 70808 USA
[2] Univ Massachusetts, Dept Exercise & Hlth Sci, Boston, MA 02125 USA
关键词
Walking; Exercise; Epidemiology; PHYSICAL-ACTIVITY; UNITED-STATES; RECOMMENDATIONS; INTENSITY; WALKING; STEPS;
D O I
10.1016/j.ypmed.2011.06.004
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Objective. Laboratory studies of adult walking behavior have consistently found that a cadence of 100 steps/min is a reasonable threshold for moderate intensity. The purpose of this study was to determine cadence patterns in free-living adults, and in particular, time spent at increasing cadence increments including 100 steps/min and beyond. Method. 3744 adults >= 20 years provided at least one valid day (minimally 10/24 h of wear) of minute-by-minute accelerometer-determined step data during the 2005-2006 U.S. National Health and Nutrition Examination Survey (NHANES). Means for time spent (min/day) and steps/day were calculated for 8 cadence categories including zero and each incremental cadence band thereafter beginning with 1-19 through 100-119, and beyond to 120+steps/min. Results. U.S. adults accumulate congruent to 4.8 h/day of zero cadence during wearing time, congruent to 8.7 h between 1 and 59 steps/mm, congruent to 16 min/day at cadences of 60-79 steps/min, congruent to 8 min at 80-99 steps/min, congruent to 55 min at 100-119 steps/min, and congruent to 2 mm at 120+steps/min. Conclusion. Self-selected walking at 100+ steps/min was a rare phenomenon in this large free-living sample of the U.S. population, but study participants did accumulate 530 min/day at cadences of 60+steps/min. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码:178 / 181
页数:4
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