Davis Amy H T, Figueredo Aurelio José, Fahy Bonnie F, Rawiworrakul Tassanee
College of Nursing, University of Arizona, Tucson, Arizona 85721-0203, USA.
Heart Lung. 2007 May-Jun;36(3):205-16. doi: 10.1016/j.hrtlng.2006.08.007.
Exercise has important benefits for individuals with chronic obstructive pulmonary disease (COPD). However, to sustain long-term benefits of exercise, adherence is needed. Adherence requires self-regulation. No scale is available to measure exercise self-regulation in individuals with COPD.
We developed and tested the reliability and validity of an "Exercise Self-Regulatory Efficacy Scale (Ex-SRES)" for individuals with COPD.
A convenience sample of 109 subjects with COPD was recruited. Cronbach's alpha was used to assess the internal consistency reliability of the Ex-SRES. Subjects' exercise behaviors and health status were used to assess the validity of the Ex-SRES.
The Ex-SRES demonstrated evidence of reliability (Cronbach's alpha .917) and validity (correlation with minutes of exercise per week [r = .41; P < .0001] and health status [r = .37; P < .0001]).
The Ex-SRES is a short (16-items) and easy to use questionnaire that may be valuable for assessing patients in clinical settings, as well as for future research studies in behaviors related to exercise.
运动对慢性阻塞性肺疾病（COPD）患者有重要益处。然而，为了维持运动的长期益处，需要坚持。坚持需要自我调节。目前尚无量表可用于测量COPD患者的运动自我调节能力。
我们开发并测试了一种针对COPD患者的“运动自我调节效能量表（Ex-SRES）”的信度和效度。
招募了109名COPD患者的便利样本。采用Cronbach's α系数评估Ex-SRES的内部一致性信度。通过受试者的运动行为和健康状况评估Ex-SRES的效度。
Ex-SRES显示出信度（Cronbach's α系数为0.917）和效度（与每周运动分钟数的相关性[r = 0.41；P < 0.0001]以及与健康状况的相关性[r = 0.37；P < 0.0001]）的证据。
Ex-SRES是一份简短（16项）且易于使用的问卷，对于临床环境中评估患者以及未来与运动相关行为研究可能具有重要价值。
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