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Gepubliceerd in: Quality of Life Research 2/2009

01-03-2009

The first stage of developing preference-based measures: constructing a health-state classification using Rasch analysis

Auteurs: Tracey Young, Yaling Yang, John E. Brazier, Aki Tsuchiya, Karin Coyne

Gepubliceerd in: Quality of Life Research | Uitgave 2/2009

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Abstract

Objective

To set out the methodological process for using Rasch analysis alongside classical psychometric methods in the development of a health-state classification that is amenable to valuation.

Methods

The overactive bladder questionnaire is used to illustrate a five step process for deriving a reduced health-state classification from an existing non-preference-based health-related quality-of-life instrument. Step I uses factor analysis to establish instrument dimensions, step II excludes items that do not meet the initial validation process and step III uses criteria based on Rasch analysis and other psychometric testing to select the final items for the health-state classification. In step IV, item levels are examined and Rasch analysis is used to explore the possibility of reducing the number of item levels. Step V repeats steps I–IV on alternative data sets in order to validate the selection of items for the health-state classification.

Results

The techniques described enable the construction of a five-dimension health-state classification, the OAB-5D, amenable to valuation tasks that will allow the derivation of preference weights.

Conclusions

The health-related quality of life of patients with conditions like overactive bladder can be valued and quality adjustment weights estimated for calculation of quality-adjusted life years.
Literatuur
1.
go back to reference Brazier, J., Ratcliffe, J., Salomon, J. A., & Tsuchiya, A. (2007). Measuring and valuing health benefits for economic evaluation. New York: Oxford University Press. Brazier, J., Ratcliffe, J., Salomon, J. A., & Tsuchiya, A. (2007). Measuring and valuing health benefits for economic evaluation. New York: Oxford University Press.
5.
go back to reference Marra, C. A., Woolcott, J. C., Kopec, J. A., et al. (2005). A comparison of generic, indirect utility measures (the HUI2, HUI3, SF-6D, and the EQ-5D) and disease-specific instruments (the RAQoL and the HAQ) in rheumatoid arthritis. Social Science and Medicine, 60(7), 1571–1582. doi:10.1016/j.socscimed.2004.08.034.PubMedCrossRef Marra, C. A., Woolcott, J. C., Kopec, J. A., et al. (2005). A comparison of generic, indirect utility measures (the HUI2, HUI3, SF-6D, and the EQ-5D) and disease-specific instruments (the RAQoL and the HAQ) in rheumatoid arthritis. Social Science and Medicine, 60(7), 1571–1582. doi:10.​1016/​j.​socscimed.​2004.​08.​034.PubMedCrossRef
6.
go back to reference Brazier, J. E., Deverill, M., Harper, R., Booth, A., et al. (1999). A review of the use of Health Status measures in economic evaluation. Health Technology Assessment, 3(9), 1–147. Brazier, J. E., Deverill, M., Harper, R., Booth, A., et al. (1999). A review of the use of Health Status measures in economic evaluation. Health Technology Assessment, 3(9), 1–147.
7.
go back to reference Coast, J. (1992). Reprocessing data to form QALYs. BMJ (Clinical Research Ed), 305(6845), 87–90. Coast, J. (1992). Reprocessing data to form QALYs. BMJ (Clinical Research Ed), 305(6845), 87–90.
11.
go back to reference Brazier, J., Yang, Y., Tsuchiya, A., et al. (2007). Review of methods for mapping between measures of health related quality of life onto generic preference-based measures: a road to nowhere? Paper Presented at the Health Economics Study Group Meeting, Brunel University, Uxbridge. Brazier, J., Yang, Y., Tsuchiya, A., et al. (2007). Review of methods for mapping between measures of health related quality of life onto generic preference-based measures: a road to nowhere? Paper Presented at the Health Economics Study Group Meeting, Brunel University, Uxbridge.
14.
go back to reference Rasch, G. (1960). Probabilistic models for some intelligence and attainment tests. Chicago: University of Chicago Press. Reprinted 1980. Rasch, G. (1960). Probabilistic models for some intelligence and attainment tests. Chicago: University of Chicago Press. Reprinted 1980.
16.
go back to reference Yang, Y., Brazier, J., Tsuchyia, A., Coyne, K., et al. (2009). Estimating a preference-based single index from the Overactive Bladder Questionnaire (OAB_q). Value in Health, 12(1). Yang, Y., Brazier, J., Tsuchyia, A., Coyne, K., et al. (2009). Estimating a preference-based single index from the Overactive Bladder Questionnaire (OAB_q). Value in Health, 12(1).
17.
go back to reference Abrams, P., Cardozo, L., Fall, M., et al. (2002). The standardization of terminology of lower urinary tract function: Report from the Standardization Sub-committee of the International Continence Society. Neurourology and Urodynamics, 21, 167–178. doi:10.1002/nau.10052.PubMedCrossRef Abrams, P., Cardozo, L., Fall, M., et al. (2002). The standardization of terminology of lower urinary tract function: Report from the Standardization Sub-committee of the International Continence Society. Neurourology and Urodynamics, 21, 167–178. doi:10.​1002/​nau.​10052.PubMedCrossRef
20.
go back to reference Coyne, K., Revicki, D., Hunt, T., et al. (2002). Psychometric validation of an overactive bladder symptom and health-related quality of life questionnaire: The OAB-q. Quality of Life Research, 11(6), 563–574. doi:10.1023/A:1016370925601.PubMedCrossRef Coyne, K., Revicki, D., Hunt, T., et al. (2002). Psychometric validation of an overactive bladder symptom and health-related quality of life questionnaire: The OAB-q. Quality of Life Research, 11(6), 563–574. doi:10.​1023/​A:​1016370925601.PubMedCrossRef
21.
go back to reference Matza, L. S., Thompson, C. L., Krasnow, J., Brewster-Jordan, J., Zyczynski, T., & Coyne, K. S. (2005). Test-retest reliability of four questionnaires for patients with overactive bladder: The overactive bladder questionnaire (OAB-q), patient perception of bladder condition (PPBC), urgency questionnaire (UQ), and the primary OAB symptom questionnaire (POSQ). Neurourology and Urodynamics, 24(3), 215–225. doi:10.1002/nau.20110.PubMedCrossRef Matza, L. S., Thompson, C. L., Krasnow, J., Brewster-Jordan, J., Zyczynski, T., & Coyne, K. S. (2005). Test-retest reliability of four questionnaires for patients with overactive bladder: The overactive bladder questionnaire (OAB-q), patient perception of bladder condition (PPBC), urgency questionnaire (UQ), and the primary OAB symptom questionnaire (POSQ). Neurourology and Urodynamics, 24(3), 215–225. doi:10.​1002/​nau.​20110.PubMedCrossRef
22.
go back to reference Siami, P., Seidman, L. S., & Lama, D. (2002). A multicentre, prospective, open-label study of tolterodine extended-release 4 mg for overactive bladder: The speed of onset of therapeutic assessment trial (STAT). Clinical Therapeutics, 24(4), 616–628. doi:10.1016/S0149-2918(02)85137-2.PubMedCrossRef Siami, P., Seidman, L. S., & Lama, D. (2002). A multicentre, prospective, open-label study of tolterodine extended-release 4 mg for overactive bladder: The speed of onset of therapeutic assessment trial (STAT). Clinical Therapeutics, 24(4), 616–628. doi:10.​1016/​S0149-2918(02)85137-2.PubMedCrossRef
23.
go back to reference Duncan, P. W., Bode, R. K., Min Lai, S., & Perera, S. (2003). Glycine antagonist in neuroprotection Americans investigators. Rasch analysis of a new stroke-specific outcome scale: The Stroke Impact Scale. Archives of Physical Medicine and Rehabilitation, 84(7), 950–963. doi:10.1016/S0003-9993(03)00035-2.PubMedCrossRef Duncan, P. W., Bode, R. K., Min Lai, S., & Perera, S. (2003). Glycine antagonist in neuroprotection Americans investigators. Rasch analysis of a new stroke-specific outcome scale: The Stroke Impact Scale. Archives of Physical Medicine and Rehabilitation, 84(7), 950–963. doi:10.​1016/​S0003-9993(03)00035-2.PubMedCrossRef
24.
go back to reference Gilworth, G., Chamberlain, M. A., Bhakta, B., Haskard, D., Silman, A., & Tennant, A. (2004). Development of the BD-HRQL: A quality of life measure specific to Behcet’s disease. The Journal of Rheumatology, 31(5), 931–937.PubMed Gilworth, G., Chamberlain, M. A., Bhakta, B., Haskard, D., Silman, A., & Tennant, A. (2004). Development of the BD-HRQL: A quality of life measure specific to Behcet’s disease. The Journal of Rheumatology, 31(5), 931–937.PubMed
26.
go back to reference Raczek, A. E., Ware, J. E., Bjorner, J. B., Gandek, B., Haley, S. M., Aaronson, N. K., et al. (1998). Comparison of Rasch and summated rating scales constructed from SF-36 physical functioning items in seven countries: Results from the IHRQLA project. Journal of Clinical Epidemiology, 15(11), 1203–1214. doi:10.1016/S0895-4356(98)00112-7.CrossRef Raczek, A. E., Ware, J. E., Bjorner, J. B., Gandek, B., Haley, S. M., Aaronson, N. K., et al. (1998). Comparison of Rasch and summated rating scales constructed from SF-36 physical functioning items in seven countries: Results from the IHRQLA project. Journal of Clinical Epidemiology, 15(11), 1203–1214. doi:10.​1016/​S0895-4356(98)00112-7.CrossRef
29.
go back to reference Bond, T. G., & Fox, C. M. (2007). Applying the Rasch model: Fundamental measurement in the human sciences (2nd ed.). New Jersey: Lawrence Erlbaum Associates. Bond, T. G., & Fox, C. M. (2007). Applying the Rasch model: Fundamental measurement in the human sciences (2nd ed.). New Jersey: Lawrence Erlbaum Associates.
30.
go back to reference Feeny, D. (2002). The utility approach to assessing population health. In C. Murray, J. Salomon, C. Mathers, & A. Lopez (Eds.), Summary measures of population health: Concepts, ethics. measurement and applications (pp. 515–528). Geneva: World Health Organisation. Feeny, D. (2002). The utility approach to assessing population health. In C. Murray, J. Salomon, C. Mathers, & A. Lopez (Eds.), Summary measures of population health: Concepts, ethics. measurement and applications (pp. 515–528). Geneva: World Health Organisation.
31.
go back to reference Chatfield, C., & Collins, A. J. (1980). Introduction to multivariate analysis. Cambridge: Chapman and Hall; University Press. Chatfield, C., & Collins, A. J. (1980). Introduction to multivariate analysis. Cambridge: Chapman and Hall; University Press.
32.
go back to reference Linacre, J. M. (1999). Investigating rating scale category utility. Journal of Outcome Measurement, 3(2), 103–122.PubMed Linacre, J. M. (1999). Investigating rating scale category utility. Journal of Outcome Measurement, 3(2), 103–122.PubMed
34.
go back to reference Nunnally, J. O. (1978). Psychometric theory. New York: McGraw Hill. Nunnally, J. O. (1978). Psychometric theory. New York: McGraw Hill.
36.
go back to reference Guyatt, G. H., Osoba, D., Wu, A. W., Wyrwich, K. W., Norman, G. R., et al. (2002). Clinical significance consensus meeting group. Methods to explain the clinical significance of health status measures. Mayo Clinic Proceedings, 77(4), 371–383.PubMedCrossRef Guyatt, G. H., Osoba, D., Wu, A. W., Wyrwich, K. W., Norman, G. R., et al. (2002). Clinical significance consensus meeting group. Methods to explain the clinical significance of health status measures. Mayo Clinic Proceedings, 77(4), 371–383.PubMedCrossRef
37.
go back to reference Rasch Unidimensional Measurement Models (RUMM) 2020 ©. RUMM Laboratory Pty Ltd 1997-2004. Rasch Unidimensional Measurement Models (RUMM) 2020 ©. RUMM Laboratory Pty Ltd 1997-2004.
38.
go back to reference SPSS for Windows.Release. 14.0.1. 2005. Chicago: SPSS Inc. 2005. SPSS for Windows.Release. 14.0.1. 2005. Chicago: SPSS Inc. 2005.
Metagegevens
Titel
The first stage of developing preference-based measures: constructing a health-state classification using Rasch analysis
Auteurs
Tracey Young
Yaling Yang
John E. Brazier
Aki Tsuchiya
Karin Coyne
Publicatiedatum
01-03-2009
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 2/2009
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-008-9428-0

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