Ann Surg Treat Res.  2014 Nov;87(5):265-272. 10.4174/astr.2014.87.5.265.

Validation of the Korean version Moorehead-Ardelt quality of life questionnaire II

• Lee YJ
• Song HJ
• Heo Y
• Oh SH
• Kwon JW
• Moon KH
• Park JM
• Lee SK

• KMID: 2266886
• DOI: http://doi.org/10.4174/astr.2014.87.5.265

Abstract

PURPOSE
To investigate the weight loss effects with higher sensitivity, disease specific quality of life (QoL) instruments were important. The Moorehead-Ardelt quality of life questionnaire II (MA-II) is widely used, because it was simple and validated the several languages. The aims of present study was performed the translation of MA-II Korean version and the validation compared with EuroQol-5 dimension (EQ-5D), obesity-related problems scale (OP-scale), and impact of weight quality of life-lite (IWQoL-Lite).
METHODS
The study design was a multicenter, cross-sectional survey and this study was included the postoperative patients. The validation procedure is translation-back translation procedure, pilot study, and field study. The instruments of measuring QoL included the MA-II, EQ-5D, OP-scale, and IWQoL-lite. The reliability was checked through internal consistency using Cronbach alpha coefficients. The construct validity was assessed the Spearman rank correlation between 6 domains of MA-II and EQ-5D, OP-scale, and 5 domains of IWQoL-Lite.
RESULTS
The Cronbach alpha of MA-II was 0.763, so the internal consistency was confirmed. The total score of MA-II was significantly correlated with all other instruments; EQ-5D, OP-scale, and IWQoL-Lite. IWQoL-lite (rho = 0.623, P < 0.001) was showed the strongest correlation compared with MA-II, followed by OP-scale (rho = 0.588, P < 0.001) and EQ-5D (rho = 0.378, P < 0.01).
CONCLUSION
The Korean version MA-II was valid instrument of measuring the obesity-specific QoL. Through the present study, the MA-II was confirmed to have good reliability and validity and it was also answered simple for investigating. Thus, MA-II could be estimated sensitive and exact QoL in obesity patients.

Keyword

QOL; MA-II; BAROS; Bariatric surgery; Validation

MeSH Terms

Bariatric Surgery
Cross-Sectional Studies
Humans
Obesity
Pilot Projects
Quality of Life*
Reproducibility of Results
Weight Loss
Surveys and Questionnaires

Figure

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  Fig. 1 Relationship between clinical outcomes and MA-II scale. (A) BMI and MA-II scale (r = -0.218, P = 0.023), (B) EBMIL and MA-II scale (r = 0.314, P = 0.009). MA-II, Moorehead-Ardelt quality of life questionnaire II; BMI, body mass index; EBMIL, excess body mass index loss.

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