Measuring social health in the patient-reported outcomes measurement information system (PROMIS): item bank development and testing
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To develop a social health measurement framework, to test items in diverse populations and to develop item response theory (IRT) item banks.
A literature review guided framework development of Social Function and Social Relationships sub-domains. Items were revised based on patient feedback, and Social Function items were field-tested. Analyses included exploratory factor analysis (EFA), confirmatory factor analysis (CFA), two-parameter IRT modeling and evaluation of differential item functioning (DIF).
The analytic sample included 956 general population respondents who answered 56 Ability to Participate and 56 Satisfaction with Participation items. EFA and CFA identified three Ability to Participate sub-domains. However, because of positive and negative wording, and content redundancy, many items did not fit the IRT model, so item banks do not yet exist. EFA, CFA and IRT identified two preliminary Satisfaction item banks. One item exhibited trivial age DIF.
After extensive item preparation and review, EFA-, CFA- and IRT-guided item banks help provide increased measurement precision and flexibility. Two Satisfaction short forms are available for use in research and clinical practice. This initial validation study resulted in revised item pools that are currently undergoing testing in new clinical samples and populations.
- Measuring social health in the patient-reported outcomes measurement information system (PROMIS): item bank development and testing
Quality of Life Research
Volume 19, Issue 7 , pp 1035-1044
- Cover Date
- Print ISSN
- Online ISSN
- Springer Netherlands
- Additional Links
- Patient-reported outcomes
- Social health
- Social function
- Social relationships
- Item banks
- Industry Sectors
- Author Affiliations
- 1. Department of Medical Social Sciences, Feinberg School of Medicine, Northwestern University, 710 N. Lake Shore Dr., Room 725, Chicago, IL, 60611, USA
- 2. Department of Health Behavior and Health Education, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- 3. Department of Physical Medicine and Rehabilitation, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- 4. Institute for Medicine and Public Health and Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, TN, USA
- 5. Department of Health Policy and Management, Boston University School of Public Health and Center for Health Quality, Outcomes & Economic Research, ENRM Veterans Hospital, Bedford, MA, USA
- 6. Center for Health Services Research, Durham VAMC; Departments of Medicine, Psychiatry, and Nursing, Duke University Medical Center, Durham, NC, USA