Dutton Gareth R, Martin Pamela Davis, Rhode Paula C, Brantley Phillip J
Center for Primary Care Research, Earl K. Long Medical Center, Louisiana State University, 5825 Airline Hwy, Baton Rouge, LA, USA.
Eat Behav. 2004 Nov;5(4):375-84. doi: 10.1016/j.eatbeh.2004.04.005.
While the Weight Efficacy Lifestyle Questionnaire (WEL) shows promise as a measure of self-efficacy for eating control, there is a lack of research examining the psychometric properties of this measure with ethnic minorities. The current study examined the WEL with a sample of 144 overweight and obese African American females. Analyses indicated similar self-efficacy levels compared to predominantly Caucasian samples. Supporting the validity of the WEL, participants undergoing obesity treatment demonstrated modest improvement in WEL scores, while standard care participants showed no changes in self-efficacy over time. Factor analysis indicated a four-factor structure rather than the five factors previously found. The four-factor structure accounted for 61.85% of the variance. Results indicate the WEL may be a valid measure of self-efficacy for overweight and obese African American women, although researchers should be mindful of the variation in scale properties when using the WEL with this population.
虽然体重效能生活方式问卷（WEL）有望成为衡量饮食控制自我效能的一种方法，但缺乏针对少数族裔对该量表心理测量特性研究。本研究以144名超重和肥胖的非裔美国女性为样本对WEL进行了检验。分析表明，与以白人为主的样本相比，自我效能水平相似。支持WEL有效性的是，接受肥胖治疗的参与者在WEL得分上有适度提高，而接受标准护理的参与者自我效能随时间没有变化。因子分析表明是四因素结构而非之前发现的五因素结构。四因素结构解释了61.85%的方差。结果表明，WEL可能是超重和肥胖非裔美国女性自我效能的有效测量方法，不过研究人员在对该人群使用WEL时应注意量表特性的差异。
