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世界衛生組織生活品質問卷台灣簡明版在社區老人族群的適用性

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世界衛生組織生活品質問卷台灣簡明版在社區老人族群的適用性

Suitability of the WHOQOL-BREF Use in Community-dwelling Older People in Taiwan

中文摘要

由於人類壽命的延長,人們從重視生存與健康轉變為重視健康相關生活品質

(health-related quality of life),但多數用來測量健康相關生活品質的問卷,並無 充足的證據顯示問卷是否適用在老人族群。故此研究目的,是在探討「世界衛生 組織生活品質問卷台灣簡明版」在老人族群的適用性。研究對象是來自台中縣新

社鄉中的六個村,其中六十五歲以上的老人共有2072 位,完成第一次訪視的共

有1200 位;一年後完成第二次測量的共有 798 位。資料的收集是由經過標準化 訓練的訪員至老人家中做訪視。健康相關生活品質的測量是使用「世界衛生組織 生活品質問卷台灣簡明版」,此問卷架構包括有:整體生活品質及整體健康2 題,

及生理(共7 題)、心理(共 6 題)、社會關係(共 4 題)及環境(共 9 題)四個

範疇,總共有28 題。問卷是否適用則是從可行性分析、信度分析、效度分析及

感應度分析四部分來做探討。可行性分析結果顯示,「工作能力」及「性生活」

這兩題,使用在老人族群時,會產生較多的遺漏值,分別為2.5%及 16.5%其他 則是從0.08% 至 0.83%。內部一致性的數值在各範疇中高巴氏α(Cronbach's α)值皆大於0.7;再測信度中,內在等級相關係數(Intraclass correlation coefficients)值大多數題目大於 0.7。區辨效度可以看出發生跌倒者其生活品質 分數較沒發生跌倒者低;而患有慢性疾病者其生活品質分數也較沒有慢性疾病者 低。收斂效度是以探索性因素分析來做,結果與原本的四個範疇不同。感應度

(responsiveness)分析發現跌倒對生活品質所產生的變化以生理範疇最明顯,其 效應值(effect size)為-0.34;社會關係範疇最不明顯,其效應值為-0.09。整體 而言,雖然問卷中仍有兩題需做更進一步的修正,但此問卷可以適用在老人族群 中。

英文摘要

The purpose of this study was to investigate the suitability of the brief Taiwan-version of the World Health Organization Quality of Life Questionnaire (WHOQOL-BREF) among 1,200 elderly subjects in of Taichung County, Taiwan. The Taiwan version of the 28-item WHOQOL-BREF is categorized into four domains: physical (7 items), psychological (6 items), social (4 items), and environmental (9 items). This study examines the practicality, reliability, validity, and responsiveness of the

WHOQOL-BREF for older people. Results of the practicality were satisfactory

because the percentages of the missing values in four domains ranged from 0.1 to 16.5.

Cronbach’s α coefficients for internal consistence ranged from 0.73 to 0.79. In

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addition, intraclass correlation coefficients ranged from 0.59 to 0.94 for intra-observer variation, and from 0.39 to 0.97 for inter-observer variation. The scores of the four WHOQOL-BREF domains were lower in people who had a fall or a chronic disease than in those without a fall or a chronic disease. In the exploratory factor analysis, the items in the WHOQOL-BREF converged on 4 common factors. We used fall status as an external indicator to measure the responsiveness of each WHOQOL-BREF domain, and the effect sizes of the four domains ranged from -0.09 to -0.45. This study

concluded that the use of the WHOQOL-BREF is suitable for the elderly.

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