Vergara Mercedes, Sicilia Beatriz, Prieto Luis, Casellas Francesc, Ramos Alexis, Gomollón Fernando, Calvet Xavier
*Servei Aparell Digestiu, Corporació Sanitària Universitària Parc Tauli, Sabadell, Barcelona, Spain; †Departament de Medicina, Universitat Autònoma de Barcelona, Spain; ‡CIBERehd, Instituto de Salud Carlos III, Madrid, Spain; §Servicio de Aparato Digestivo, Complejo Asistencial de Burgos, Burgos, Spain; ‖Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom; ¶Servei d'Aparell Digestiu Hospital Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain; and **Servicio de AparatoDigestivo, Hospital Clínico Universitario de Zaragoza, Zaragoza, Spain.
Inflamm Bowel Dis. 2016 Apr;22(4):955-62. doi: 10.1097/MIB.0000000000000678.
The aim was to develop and validate a self-reported short Crohn's disease work disability questionnaire (sCDWDQ).
(1) Development of a shortened questionnaire-Patients' responses to the validation process (n = 108) of a previously developed, 16-item Spanish Crohn's disease work disability questionnaire (CDWDQ) were analyzed using the Rasch model for multiple response items. After this process, a 9-item sCDWDQ was obtained. (2) Validation phase-The validation assessed the questionnaire's convergent validity, discriminant validity, test-retest reproducibility, and internal consistency. Spearman rank correlation, t test, intra-class correlation and Cronbach's alpha were used for the analysis.
One hundred fifty-one patients were included in the validation phase. (1) Convergent validity was confirmed by correlations between the sCDWDQ and clinical activity (r = 0.66, P < 0.01), the short inflammatory bowel disease questionnaire IBDQ-9 (r = 0.74, P < 0.001), Euroqol-5D (r = 0.63, P < 0.01), the EuroQol-5D visual analog scale (r = 0.54, P < 0.01), and overall work impairment (r = 0.66, P < 0.01); (2) Discriminant validity-sCDWDQ scores were higher in patients with active disease (20.1 ± 6.3 versus 13.0 ± 3.8 inactive, P < 0.001), in those requiring previous sick leave (19.6 ± 6.9 versus no sick leave 14.2 ± 4.8, P < 0.01) and in those requiring hospitalization (20.0 ± 7.3 [n = 29] versus no hospitalization 14.1 ± 7.3 [n = 90], P < 0.01); (3) Internal consistency was also good (Cronbach's alpha = 0.92); and (4) Reproducibility-sCDWDQ measures obtained 2 weeks apart showed an excellent intraclass correlation coefficient of 0.92 (95% confidence interval, 0.90-0.94).
The self-reported sCDWDQ appears to be a simple, valid, and reliable tool for measuring work disability in Crohn's disease.
目的是开发并验证一份自我报告的克罗恩病工作残疾简短问卷(sCDWDQ)。
(1)简短问卷的开发——使用针对多项反应项目的拉施模型,分析患者对先前开发的16项西班牙文克罗恩病工作残疾问卷(CDWDQ)验证过程(n = 108)的回答。经过此过程,获得了一份9项的sCDWDQ。(2)验证阶段——验证评估了问卷的收敛效度、区分效度、重测信度和内部一致性。分析使用了斯皮尔曼等级相关性、t检验、组内相关性和克朗巴哈系数。
151名患者纳入验证阶段。(1)sCDWDQ与临床活动(r = 0.66,P < 0.01)、简短炎症性肠病问卷IBDQ - 9(r = 0.74,P < 0.001)、欧洲五维健康量表(r = 0.63,P < 0.01)、欧洲五维健康量表视觉模拟量表(r = 0.54,P < 0.01)以及总体工作障碍(r = 0.66,P < 0.01)之间的相关性证实了收敛效度;(2)区分效度——活动期疾病患者的sCDWDQ得分更高(活动期20.1±6.3,非活动期13.0±3.8,P < 0.001),需要先前病假的患者更高(19.6±6.9,无病假14.2±4.8,P < 0.01),需要住院的患者更高(20.0±7.3 [n = 29],未住院14.1±7.3 [n = 90],P < 0.01);(3)内部一致性也良好(克朗巴哈系数 = 0.92);(4)重测信度——间隔2周获得的sCDWDQ测量结果显示组内相关系数极佳,为0.92(95%置信区间,0.90 - 0.94)。
自我报告的sCDWDQ似乎是一种用于测量克罗恩病工作残疾的简单、有效且可靠的工具。