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首页> 外文期刊>Quality of life research: An international journal of quality of life aspects of treatment, care and rehabilitation >Self-rated health: Analysis of distances and transitions between response options
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Self-rated health: Analysis of distances and transitions between response options

机译：Self-rated health: Analysis of distances and transitions between response options

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Purpose We explored health differences between population groups who describe their health as excellent, very good, good, fair, or poor. Methods We used data from a population-based survey which included self-rated health (SRH) and three global measures of health: the SF36 general health score (computed from the 4 items other than SRH), the EQ-5D health utility, and a visual analogue health thermometer. We compared health characteristics of respondents across the five health ratings. Results Survey respondents (N = 1.844, 49.2 response) rated their health as excellent (12.2 ), very good (39.1 ), good (41.9 ), fair (6.0 ), or poor (0.9 ). The means of global health assessments were not equidistant across these five groups, for example, means of the health thermometer were 95.8 (SRH excellent), 88.8 (SRH very good), 76.6 (SRH good), 49.7 (SRH fair), and 33.5 (SRH poor, p<0.001). Recoding the SRH to reflect these mean values substantially improved the variance explained by the SRH, for example, the linear r2 increased from 0.50 to 0.56 for the health thermometer if the SRH was coded as poor = 1, fair = 2, good = 3.7, very good = 4.5, and excellent = 5. Furthermore, transitions between response options were not explained by the same health-related characteristics of the respondents. Conclusions The adjectival SRH is not an evenly spaced interval scale. However, it can be turned into an interval variable if the ratings are recoded in proportion to the underlying construct of health. Possible improvements include the addition of a rating option between good and fair or the use of a numerical scale instead of the classic adjectival scale.

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