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首页> 外文期刊>Arthritis care & research >Psychometric properties of the foot and ankle outcome score in a community-based study of adults with and without osteoarthritis
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Psychometric properties of the foot and ankle outcome score in a community-based study of adults with and without osteoarthritis

机译：在患有和不患有骨关节炎的成年人中进行的一项社区研究中，脚和踝结局评分的心理计量学特性

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Objective Foot and ankle problems are common in adults, and large observational studies are needed to advance our understanding of the etiology and impact of these conditions. Valid and reliable measures of foot and ankle symptoms and physical function are necessary for this research. This study examined psychometric properties of the Foot and Ankle Outcome Score (FAOS) subscales (pain, other symptoms, activities of daily living [ADL], sport and recreational function [sport/recreation], and foot- and ankle-related quality of life [QOL]) in a large, community-based sample of African American and white men and women ages ≥50 years. Methods Johnston County Osteoarthritis Project participants (n = 1,670) completed the 42-item FAOS (mean age 69 years, 68% women, 31% African American, mean body mass index [BMI] 31.5 kg/m2). Internal consistency, test-retest reliability, convergent validity, and structural validity of each subscale were examined for the sample and for subgroups according to race, sex, age, BMI, presence of knee or hip osteoarthritis, and presence of knee, hip, or low back symptoms. Results For the sample and each subgroup, Cronbach's alpha coefficients ranged from 0.95-0.97 (pain), 0.97-0.98 (ADL), 0.94-0.96 (sport/recreation), 0.89-0.92 (QOL), and 0.72-0.82 (symptoms). Correlation coefficients ranged from 0.24-0.52 for pain and symptoms subscales with foot and ankle symptoms and from 0.30-0.55 for ADL and sport/recreation subscales with the Western Ontario and McMaster Universities Osteoarthritis Index function subscale. Intraclass correlation coefficients for test-retest reliability ranged from 0.63-0.81. Items loaded on a single factor for each subscale except symptoms (2 factors). Conclusion The FAOS exhibited sufficient reliability and validity in this large cohort study.
机译：目的足踝问题在成年人中很常见，需要进行大量的观察研究以增进我们对这些病因和影响的理解。有效和可靠的措施的脚和脚踝症状和身体功能对于这项研究是必要的。这项研究检查了足踝结局评分（FAOS）分量表（疼痛，其他症状，日常生活活动[ADL]，运动和娱乐功能[运动/娱乐]以及与脚踝相关的生活质量）的心理计量学特征[QOL]）在一个大型的社区样本中，年龄≥50岁的非洲裔美国人和白人男女。方法约翰斯顿县骨关节炎项目参与者（n = 1,670）完成了42项FAOS（平均年龄69岁，女性68％，非裔美国人31％，平均体重指数[BMI] 31.5 kg / m2）。根据种族，性别，年龄，BMI，膝部或髋部骨关节炎的存在以及膝部，髋部或膝部的存在，检查了样本和各亚组的每个子量表的内部一致性，重测信度，收敛效度和结构效度。腰背症状。结果对于样本和每个亚组，克伦巴赫的α系数介于0.95-0.97（疼痛），0.97-0.98（ADL），0.94-0.96（运动/娱乐），0.89-0.92（QOL）和0.72-0.82（症状）之间。疼痛和症状分量表（伴有脚踝症状）的相关系数范围为0.24-0.52，而西安大略省和麦克马斯特大学骨关节炎指数函数分量表的ADL和运动/娱乐分量表的相关系数为0.30-0.55。重测信度的类内相关系数在0.63-0.81之间。除症状（2个因素）外，每个子量表均以单个因素加载项目。结论在这项大型队列研究中，FAOS显示出足够的信度和效度。

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