Instruments used to assess functional limitations in workers applying for disability benefit: a systematic review (original) (raw)
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Validation of the Work-Disability Physical Functional Assessment Battery
Archives of physical medicine and rehabilitation, 2018
To examine the validity of the self-report Work-Disability Functional Assessment Battery (WD-FAB) physical function scales relative to clinician ratings of function and a performance-based functional capacity evaluation called the Physical Work Performance Evaluation (PWPE). Cross-sectional. Outpatient rehabilitation. Adults (N=50) participating in physical therapy for musculoskeletal conditions. Not applicable. Patients completed the PWPE and the WD-FAB physical function scales including Changing and Maintaining Body Position, Whole Body Mobility, Upper Body Function, and Upper Extremity Fine Motor. The physical therapist also answered the WD-FAB questions on the patient's physical functioning. The WD-FAB computer-adaptive test version administered up to 10 items for each scale. The PWPE produces ratings from 0 to 5 indicating overall Level of Work ability: 0 (unable to work); 1 (sedentary); 2 (light); 3 (medium); 4 (heavy); 5 (very heavy). The PWPE also produces Level of Work ...
Development of a database of functional assessment measures related to work disability
Journal of occupational rehabilitation, 2001
The development of the Functional Assessment Measures Database is described. The database provides a method to organize and search for measures that are used to assess the functional abilities of people with medical impairments to determine work disability. The project identified 4,200 different measures that are used in the functional assessment of persons with disability across the life span, 812 of which are used to evaluate adults in terms of work disability. The database has 3,033 scales that are found in 633 measures. In the database, each measure is described and is linked to at least one functional assessment construct. The use of the database in the Social Security Administration Redesign Project is described. Other possible uses for the database are presented.
BMC Public Health, 2012
Background: Individuals who are sick and unable to work may receive wage replacement benefits from an insurer. For these provisions, a disability evaluation is required. This disability evaluation is criticised for lack of standardisation and transparency. The International Classification of Functioning, Disability and Health (ICF) was developed to express the situation of people with disability. We discuss potential benefits of the ICF to structure and phrase disability evaluation in the field of social insurance. We describe core features of disability evaluation of the ICF across countries. We address how and to what extent the ICF may be applied in disability evaluation. Discussion: The medical reports in disability evaluation contain the following core features: health condition, functional capacity, socio-medical history, feasibility of interventions and prognosis of work disability. Reports also address consistency, causal relations according to legal requirements, and ability to work. The ICF consists of a conceptual framework of functioning, disability and health, definitions referring to functioning, disability and health, and a hierarchical classification of these definitions. The ICF component 'activities and participation' is suited to capture functional capacity. Interventions can be described as environmental factors but these would need an additional qualifier to indicate feasibility. The components 'participation' and 'environmental factors' are suited to capture work requirements. The socio-medical history, the prognosis, and legal requirements are problematic to capture with both the ICF framework and classification.
International Archives of Occupational and Environmental Health, 2009
Objective To study the complementary value of information from functional capacity evaluation (FCE) for insurance physicians (IPs) who assess the physical work ability of claimants with long-term musculoskeletal disorders (MSD). Method A post-test only design was used in the context of disability claims. Twenty-eight IPs participated in the study. Claimants with MSD formed the patient population. For each IP, the Wrst claimant who agreed to participate was included in the study, and underwent FCE in addition to the regular disability claim assessment. Firstly, the IP performed the statutory disability claim assessment. Secondly, the FCE assessment took place. Finally, a self-formulated questionnaire was presented to the IPs after they viewed the FCE report. IPs were asked whether they perceived FCE information to be of complementary value to their judgment of the claimant's physical work ability investigated. We considered FCE information to be of complementary value if more than 66% of the IPs indicated as such. IPs were also asked whether FCE information led them to change their initial judgment about the claimant's physical work ability, and whether they felt this information made them more conWdent about their ultimate judgement. Finally, they were asked whether they planned to include FCE information in future disability claims and for what type of claimants. DiVerences between IPs who did or did not experience complementary value were explored.
Work Disability Functional Assessment Battery: Feasibility and Psychometric Properties
Archives of Physical Medicine and Rehabilitation, 2015
Objectives-To assess the feasibility and psychometric properties of eight scales covering two domains of the newly developed Work Disability Functional Assessment Battery (WD-FAB): physical function (PF) and behavioral health (BH) function. Design-Cross-sectional. Setting-Community. Participants-Adults unable to work due to a physical (n=497) or mental (n=476) disability. Interventions-None. Main Outcome Measures-Each disability group responded to a survey consisting of the relevant WD-FAB scales and existing measures of established validity. The WD-FAB scales were evaluated with regard to data quality (score distribution; percent "I don't know" responses), efficiency of administration (number of items required to achieve reliability criterion; time required to complete the scale) by computerized adaptive testing (CAT), and measurement accuracy as tested by person fit. Construct validity was assessed by examining both convergent and discriminant correlations between the WD-FAB scales and scores on same-domain and crossdomain established measures.
Journal of Occupational Rehabilitation, 2010
Objective The aim of this study is to investigate the reliability and validity of the Disability Assessment Structured Interview (DASI). The DASI is a semi-structured interview for assessing long-term functional limitations concerning the work disability assessment of claimants. Methods A randomized controlled trial was conducted. Patients applying for a work-disability pension after 21 months of sick leave were independently interviewed and examined either by two physicians who had completed a DASI training period (n = 32) or by two physicians from a control group (n = 30) without any DASI training. Agreement percentages within both groups of physicians, eligibility for a disability benefit, and differences between the groups in terms of the scores given on the work-limitation items from the Functional Ability List (FAL) were measured to investigate reliability and concurrent validity. To determine the content validity, the insurance physicians who completed DASI training (n = 8) were asked to fill out a questionnaire concerning their opinion of the DASI. Additionally, patients filled out a questionnaire to measure their satisfaction as to the behavioral aspects of the physicians. Results The groups showed no important differences in agreement percentages (mean percentage about 80%) and eligibility for a disability benefit. In 9 out of 21 items the physicians of the control group indicated fewer work limitations compared to physicians using the DASI. All physicians agreed on the fact that the DASI was an acceptable tool in daily practice, one that provided a realistic picture of the patient and provided sufficient information to assess functional limitations. In addition, between the two groups, no differences were found as to the satisfaction of patients concerning the behavioral aspects of the physicians. Conclusion The DASI is a tool with a reasonable to good inter-rater reliability and content validity, and it appears to be acceptable to both patients and physicians. It did not improve inter-observer agreement beyond that of usual interview procedures used in the Netherlands. The DASI would seem to be a worthwhile tool for collecting self-reported information in order to assess functional limitations in claimants.
International Archives of Occupational and Environmental Health, 2009
Purpose To test whether Functional Capacity Evaluation (FCE) information lead insurance physicians (IPs) to change their judgment about the physical work ability of claimants with musculoskeletal disorders (MSDs). Methods Twenty-seven IPs scored twice the physical work ability of two claimants for 12 specified activities, using a visual analogue scale. One claimant performed an FCE, the other served as a control. Outcome measure was the difference between experimental and control group in number of shifts in the physical work ability for the total of 12 specified activities. Results The IPs changed their judgment about the work ability 141 times when using FCE information compared to 102 times when not using this information (P-value = 0.001), both in the direction of more and less ability. Conclusions The IPs change their judgment of the physical work ability of claimants with MSDs in the context of disability claim procedures more often when FCE information is provided.