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Compliance and Practical Utility of Continuous Wearing of activPAL™ in Adolescents

2019; Human Kinetics; Volume: 31; Issue: 3 Linguagem: Inglês

10.1123/pes.2018-0170

1543-2920

Yan Shi, Yajun Huang, Jane Jie Yu, Sinead Sheridan, Cindy H. P. Sit, Stephen Heung‐Sang Wong,

Muscle activation and electromyography studies

The aim of this study was to examine the factors that influence compliance and practical utility of a continuous wear protocols for activPAL™ among adolescents.Seven hundred and fifty-five (11-18 y; 50.6% girls) students wore the waterproof activPAL™ for 7 consecutive days. The effects of factors such as weather and practical strategies on compliance were assessed. Students were asked to note reasons for removing it in a log. After the 7-day period, students anonymously completed a practical utility questionnaire.The final sample used to analyze compliance contained 588 available data points; 72.4% met the validity criteria, which were ≥4 valid days. Rainfall was inversely associated with total wear time, whereas using alcohol pads and cartoon stickers during the application were positively associated with total wear time. Sweating (25.2%) and skin irritation (39.0%) were the most reasons for 290 removal episodes by 235 students. The 131 questionnaires showed that 80.1% regarded the continuous wear period as too long and encountered problems, and 55% would rather not wear it again.Rainy weather affected girls' compliance with the continuous wear protocol for activPAL™. Skin irritation and sweat-induced inadvertent drops caused removal. Future studies should investigate more user-friendly protocols.