성인 알레르기비염 특이형 삶의 질 측정도구 개발 및 평가

Abstract

Purpose : The purpose of this study was to develop a scale to measure peculiarity of life quality caused by Allergic Rhinitis for Korean adults and verify its validity and reliability. Methods : A measuring scale for this purpose was developed by literature reviews and individual interviews. The first preliminary measures consisted of 50 items selected from the 127 items by literature reference and individual interviews. Among them, the 26 items were selected, based on the double check evaluation performed by a group of 10 experts to evaluate content validity as having 0.8 or more indexes. The analysis of the questions was performed among the 223 data collected from the adults aged 19 to 59, among which 0.4 or more coefficient of correlation between items and item-total scores was selected. The final measuring items were selected through the analysis of items and factors. Results : The factor analysis showed 5 factors of 26 items: specific symptoms (4 items), physical functions (7 items), mental functions (5 items), sleep disorders and social functions (4 items), and problems of daily life (6 items). These 5 factors composed of 26 items explained 65.58% of the total variance The construct validity was evaluated by group comparisons. The group was classified into groups of intermittent and persistent allergic rhinitis, and mild and moderate to severe allergic rhinitis. Their intercomparison showed significant differences in their life quality. Accordingly, The allergic rhinitis disease-specific quality of life scale developed in this study was to obtain construct validity. To test criterions-related validity, correlation was calculated for the developed allergic rhinitis disease-specific quality of life scale with the total nasal symptom score (TNSS). The validity index by the coefficient of correlation between TNSS and the total score of life quality showed .693, which was identified as a measure of high construct validity. Additionally, all the sub-factors showed significant negative correlation. The Cronbach's alpha reliability coefficient was .950 for the overall final scale and .809 to .931 for 5 factors Conclusion: The allergic rhinitis disease-specific quality of life scale developed in this study was verified by content validity, construct validity, criterion-related validity and reliability. Accordingly, this developed measure can be applied to measure the quality of life caused by adults' allergic rhinitis in clinical practices and research.