Comparison of Time-tradeoff Utilities and Rating Scale Values of Cancer Patients and Their Relatives
| Autor: | Diane L. Fairclough, Jane C. Weeks, M. Kay Jankowski, June F. O'Leary |
|---|---|
| Rok vydání: | 1995 |
| Předmět: |
Adult
Time Factors Activities of daily living Health Status Plateau (mathematics) Choice Behavior 03 medical and health sciences 0302 clinical medicine Quality of life Rating scale Neoplasms Surveys and Questionnaires Activities of Daily Living Statistics Humans 030212 general & internal medicine Aged Aged 80 and over Actuarial science 030503 health policy & services Health Policy Contrast (statistics) Regression analysis Middle Aged Time tradeoff Patient preference Treatment Outcome Quality of Life Regression Analysis 0305 other medical science Psychology |
| Zdroj: | Medical Decision Making. 15:132-137 |
| ISSN: | 1552-681X 0272-989X |
| DOI: | 10.1177/0272989x9501500205 |
| Popis: | Because they are easy to administer, rating scales are often used as proxies for utility measures. The authors investigated the relationship between time-tradeoff utilities and rating scale values in two populations: 124 cancer patients asked to evaluate their current states of health and 102 relatives and close friends of cancer patients asked to evaluate health- state scenarios. None of the models tested effectively described the relationship between individual patients' rating scale values and time-tradeoff utilities for their current states of health. In contrast, both a plateau and a power-function model explained the variability in the responses of the relatives reasonably well (R2 = 0.56 and R2 = 0.58, respectively). Given that many respondents who were unwilling to trade off any time assigned rating scale values of well below 100, a plateau model may represent the best approach to adjusting rating scale values for health-state scenarios when it is not feasible to elicit time-tradeoff utilities. Key words: time tradeoff; utility; rating scale; cancer; patient preferences; quality of life. (Med Decis Making 1995;15:132-137) |
| Databáze: | OpenAIRE |
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