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Quality of Life Research

Gepubliceerd in:

01-12-2013

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

Auteurs: Thomas V. Perneger, Angèle Gayet-Ageron, Delphine S. Courvoisier, Thomas Agoritsas, Stéphane Cullati

Gepubliceerd in: Quality of Life Research | Uitgave 10/2013

Abstract

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 r ² 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.

vorige artikel Informatively missing quality of life and unmet needs sex data for immigrant and Anglo-Australian cancer patients and survivors

volgende artikel Development of a crosswalk for pain interference measured by the BPI and PROMIS pain interference short form

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Titel: Self-rated health: analysis of distances and transitions between response options
Auteurs: Thomas V. Perneger
Angèle Gayet-Ageron
Delphine S. Courvoisier
Thomas Agoritsas
Stéphane Cullati
Publicatiedatum: 01-12-2013
Uitgeverij: Springer Netherlands
Gepubliceerd in: Quality of Life Research / Uitgave 10/2013
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-013-0418-5

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Abstract

Purpose

Methods

Results

Conclusions

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