Do effects of common case-mix adjusters on patient experiences vary across patient groups?

D. de Boer, L. van der Hoek, J.D.J.M. Rademakers, D. Delnoij, M.J. van den Berg

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Abstract

Many survey studies in health care adjust for demographic characteristics such as age, gender, educational attainment and general health when performing statistical analyses. Whether the effects of these demographic characteristics are consistent between patient groups remains to be determined. This is important as the rationale for adjustment is often that demographic sub-groups differ in their so-called 'response tendency'. This rationale may be less convincing if the effects of response tendencies vary across patient groups. The present paper examines whether the impact of these characteristics on patients' global rating of care varies across patient groups.
Secondary analyses using multi-level regression models were performed on a dataset including 32 different patient groups and 145,578 observations. For each demographic variable, the 95% expected range of case-mix coefficients across patient groups is presented. In addition, we report whether the variance of coefficients for demographic variables across patient groups is significant. Overall, men, elderly, lower educated people and people in good health tend to give higher global ratings. However, these effects varied significantly across patient groups and included the possibility of no effect or an opposite effect in some patient groups.
The response tendency attributed to demographic characteristics - such as older respondents being milder, or higher educated respondents being more critical - is not general or universal. As such, the mechanism linking demographic characteristics to survey results on patient experiences with quality of care is more complicated than a general response tendency. It is possible that the response tendency interacts with patient group, but it is also possible that other mechanisms are at play.
Original languageEnglish
Article number768
JournalBMC Health Services Research
Volume17
Issue number1
DOIs
Publication statusPublished - Dec 2017

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de Boer, D., van der Hoek, L., Rademakers, J. D. J. M., Delnoij, D., & van den Berg, M. J. (2017). Do effects of common case-mix adjusters on patient experiences vary across patient groups? BMC Health Services Research, 17(1), [768]. https://doi.org/10.1186/s12913-017-2732-z
de Boer, D. ; van der Hoek, L. ; Rademakers, J.D.J.M. ; Delnoij, D. ; van den Berg, M.J. / Do effects of common case-mix adjusters on patient experiences vary across patient groups?. In: BMC Health Services Research. 2017 ; Vol. 17, No. 1.
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abstract = "Many survey studies in health care adjust for demographic characteristics such as age, gender, educational attainment and general health when performing statistical analyses. Whether the effects of these demographic characteristics are consistent between patient groups remains to be determined. This is important as the rationale for adjustment is often that demographic sub-groups differ in their so-called 'response tendency'. This rationale may be less convincing if the effects of response tendencies vary across patient groups. The present paper examines whether the impact of these characteristics on patients' global rating of care varies across patient groups.Secondary analyses using multi-level regression models were performed on a dataset including 32 different patient groups and 145,578 observations. For each demographic variable, the 95{\%} expected range of case-mix coefficients across patient groups is presented. In addition, we report whether the variance of coefficients for demographic variables across patient groups is significant. Overall, men, elderly, lower educated people and people in good health tend to give higher global ratings. However, these effects varied significantly across patient groups and included the possibility of no effect or an opposite effect in some patient groups.The response tendency attributed to demographic characteristics - such as older respondents being milder, or higher educated respondents being more critical - is not general or universal. As such, the mechanism linking demographic characteristics to survey results on patient experiences with quality of care is more complicated than a general response tendency. It is possible that the response tendency interacts with patient group, but it is also possible that other mechanisms are at play.",
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de Boer, D, van der Hoek, L, Rademakers, JDJM, Delnoij, D & van den Berg, MJ 2017, 'Do effects of common case-mix adjusters on patient experiences vary across patient groups?', BMC Health Services Research, vol. 17, no. 1, 768. https://doi.org/10.1186/s12913-017-2732-z

Do effects of common case-mix adjusters on patient experiences vary across patient groups? / de Boer, D.; van der Hoek, L.; Rademakers, J.D.J.M.; Delnoij, D.; van den Berg, M.J.

In: BMC Health Services Research, Vol. 17, No. 1, 768, 12.2017.

Research output: Contribution to journalArticleScientificpeer-review

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