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Objective: To use item response theory (IRT) data simulations to construct and perform initial psychometric testing of a newly developed instrument, the Social Security Administration Behavioral Health Function (SSA-BH) instrument, that aims to assess behavioral health functioning relevant to the context of work. Design: Cross-sectional survey followed by IRT calibration data simulations. Setting: ... read moreCommunity. Participants: Sample of individuals applying for Social Security Administration disability benefits: claimants (n=1015) and a normative comparative sample of U.S. adults (n=1000) Interventions: None. Main Outcome Measure: SSA-BH measurement instrument. Results: IRT analyses supported the unidimensionality of 4 SSA-BH scales: mood and emotions (35 items), self-efficacy (23 items), social interactions (6 items), and behavioral control (15 items) All SSA-BH scales demonstrated strong psychometric properties including reliability, accuracy, and breadth of coverage. High correlations of the simulated 5- or 10-item computer adaptive tests with the full item bank indicated robust ability of the computer adaptive testing approach to comprehensively characterize behavioral health function along 4 distinct dimensions. Conclusions: Initial testing and evaluation of the SSA-BH instrument demonstrated good accuracy, reliability, and content coverage along all 4 scales. Behavioral function profiles of Social Security Administration claimants were generated and compared with age- and sex-matched norms along 4 scales: mood and emotions, behavioral control, social interactions, and self-efficacy. Using the computer adaptive test-based approach offers the ability to collect standardized, comprehensive functional information about claimants in an efficient way, which may prove useful in the context of the Social Security Administration's work disability programs.read less
- Marfeo, Elizabeth E., Pengsheng Ni, Stephen M. Haley, Kara Bogusz, Mark Meterko, Christine M. McDonough, Leighton Chan, Elizabeth K. Rasch, Diane E. Brandt, and Alan M. Jette. "Scale Refinement and Initial Evaluation of a Behavioral Health Function Measurement Tool for Work Disability Evaluation." Archives of Physical Medicine and Rehabilitation 94, no. 9 (September 2013): 1679-1686. doi:10.1016/j.apmr.2013.03.012.