Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.
Department of Psychiatry, University of Oxford, Oxford, UK.
Obesity (Silver Spring). 2022 Sep;30(9):1752-1759. doi: 10.1002/oby.23479. Epub 2022 Aug 3.
The aim of this study was to develop a shortened Oxford Food and Activity Behaviors (OxFAB) questionnaire to identify the cognitive and behavioral strategies used by individuals during weight-management attempts.
This study reduced an existing 117-item questionnaire (the original OxFAB questionnaire) through identifying clusters of techniques from the responses of 278 people living with obesity and, within those clusters, identifying the most representative question or questions. Questions were rephrased to cover multiple strategies at the domain level, with several alternative phrasings developed for new questions. Face validity was tested through think-aloud interviews with 12 people living with obesity. Questions were rephrased accordingly and tested using test-retest (n = 172). Prevalence- and bias-adjusted κ (PABAK) were calculated, and questions with PABAK < 0.41 were rewritten and evaluated in a new test-retest sample (n = 130).
OxFAB20 consists of 20 questions covering diet, physical activity, and cognitive strategies for weight management. Test-retest resulted in a mean PABAK score of 0.56 (SD = 0.14). Questions were revised where appropriate. The questionnaire is available for use via a CC-BY license.
The OxFAB20 questionnaire provides a practical tool for researchers to identify the cognitive and behavioral strategies used by individuals during attempts at weight control.
本研究旨在开发一个简短的牛津饮食和活动行为问卷（OxFAB），以确定个体在体重管理尝试中使用的认知和行为策略。
本研究通过识别肥胖人群的 278 人的反应中的技术集群，并在这些集群中确定最具代表性的问题，从而从现有的 117 项问卷（原始 OxFAB 问卷）中进行简化。问题被重新表述以涵盖域级别的多个策略，对于新问题开发了几个替代的表述。通过与 12 名肥胖者进行的出声思维访谈来测试表面有效性。根据需要对问题进行了重新表述，并使用测试-重测（n=172）进行了测试。计算了普遍性和偏倚调整 κ（PABAK），并且将 PABAK<0.41 的问题重新编写并在新的测试-重测样本（n=130）中进行了评估。
OxFAB20 由 20 个问题组成，涵盖饮食、身体活动和体重管理的认知策略。测试-重测的平均 PABAK 评分为 0.56（SD=0.14）。问题在适当的情况下进行了修订。该问卷可通过 CC-BY 许可证使用。
OxFAB20 问卷为研究人员提供了一种实用工具，可用于识别个体在尝试控制体重时使用的认知和行为策略。
