Translation, Adaptation and Validation of a Portuguese Version of the Moorehead-Ardelt Quality of Life Questionnaire II

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• 作者：Jo?o Maciel ; Paulo Infante ; Susana Ribeiro ; André Ferreira…
• 关键词：Moorehead ; Ardelt questionnaire II ; Translation ; Validation ; Health ; related quality of life ; Morbid obesity ; Bariatric surgery
• 刊名：Obesity Surgery
• 出版年：2014
• 出版时间：November 2014
• 年：2014
• 卷：24
• 期：11
• 页码：1940-1946
• 全文大小：248 KB
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• 作者单位：Jo?o Maciel (1)
  Paulo Infante (2)
  Susana Ribeiro (1)
  André Ferreira (1)
  Artur C. Silva (1)
  Jorge Caravana (1)
  Manuel G. Carvalho (1)
  
  1. Department of General Surgery, Hospital do Espírito Santo de évora, Largo Senhor da Pobreza, 7000-811, évora, Portugal
  2. Research Centre in Mathematics and Applications and Department of Mathematics, LuísAntónioVerney College, ECS—University of évora, Rua Rom?o Ramalho 59, 7000-671, évora, Portugal
  
• ISSN：1708-0428

文摘

The prevalence of obesity has increased worldwide. An assessment of the impact of obesity on health-related quality of life (HRQoL) requires specific instruments. The Moorehead-Ardelt Quality of Life Questionnaire II (MA-II) is a widely used instrument to assess HRQoL in morbidly obese patients. The objective of this study was to translate and validate a Portuguese version of the MA-II. The study included forward and backward translations of the original MA-II. The reliability of the Portuguese MA-II was estimated using the internal consistency and test-retest methods. For validation purposes, the Spearman’s rank correlation coefficient was used to evaluate the correlation between the Portuguese MA-II and the Portuguese versions of two other questionnaires, the 36-item Short Form Health Survey (SF-36) and the Impact of Weight on Quality of Life-Lite (IWQOL-Lite). One hundred and fifty morbidly obese patients were randomly assigned to test the reliability and validity of the Portuguese MA-II. Good internal consistency was demonstrated by a Cronbach’s alpha coefficient of 0.80, and a very good agreement in terms of test-retest reliability was recorded, with an overall intraclass correlation coefficient (ICC) of 0.88. The total sums of MA-II scores and each item of MA-II were significantly correlated with all domains of SF-36 and IWQOL-Lite. A statistically significant negative correlation was found between the MA-II total score and BMI. Moreover, age, gender and surgical status were independent predictors of MA-II total score. A reliable and valid Portuguese version of the MA-II was produced, thus enabling the routine use of MA-II in the morbidly obese Portuguese population.