期刊
PREVENTIVE MEDICINE
卷 56, 期 1, 页码 82-85出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ypmed.2012.10.014
关键词
Accelerometer; ActivPAL; Physical activity; Sedentary; Sitting; Standing desks
资金
- Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
Objective. To examine the acceptability of introducing standing workstations in elementary-school classrooms; and to quantify changes in children's time spent sitting, standing, and walking; step counts; sit-to-stand transitions; and musculoskeletal discomfort. Methods. A controlled trial was conducted in two elementary schools in Auckland, New Zealand (March-May 2012). Participants were 30 third and fourth graders (n=23 intervention, n=7 control). Intervention classes received standing workstations; control class retained usual sitting desks. Children wore ActivPAL monitors over 7 days at baseline and during the fourth week of the intervention. Results. Children spoke enthusiastically of the standing workstations. School staffs were supportive of the standing workstations because they offered flexibility in learning. Overall, children in the intervention group sat less (intervention: 8.27 (1.45), mean (SD); control: 9.00 (0.80) h/day), stood longer (3.75 (0.88); 2.85 (0.30) h/day), and engaged in fewer transitions from sitting to standing (93 (17); 98 (26) counts) compared to the control group. Effect size ranged from small-large (-0.49; 95% confidence limits (0.64)%, 0.71; (0.48), -0.96; (0.54)% respectively). Results for time spent stepping and step counts were unclear. Conclusion. Standing workstations can be successfully integrated in classroom environments and appear to decrease overall sedentariness. (C) 2012 Elsevier Inc. All rights reserved.
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