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- Title
Construct validity of Comprehensive High-Level Activity Mobility Predictor (CHAMP) for male servicemembers with traumatic lower-limb loss.
- Authors
Gailey, Robert S.; Scoville, Charles; Gaunaurd, Ignacio A.; Raya, Michele A.; Linberg, Alison A.; Stoneman, Paul D.; Campbell, Stuart M.; Roach, Kathryn E.
- Abstract
This study examined the convergent construct validity of a new performance-based assessment instrument called the Comprehensive High-Level Activity Mobility Predictor (CHAMP) as a measure of high-level mobility in servicemembers (SMs) with traumatic lower-limb loss (LLL). The study was completed by 118 SMs. Convergent construct validity of the CHAMP was established using the 6-minute walk test (6MWT) as a measure of overall mobility and physical function and the Amputee Mobility Predictor (AMP) as a measure of basic prosthetic mobility. The known group methods construct validity examined disparities in high-level mobility capability among SMs with different levels of LLL. The CHAMP score demonstrated a strong positive relationship between 6MWT distance (r = 0.80, p < 0.001) and AMP score (r = 0.87, p < 0.001), respectively. In addition, the CHAMP can discriminate between different levels of LLL. Study findings support the CHAMP as a valid performance-based assessment instrument of high-level mobility for SMs with traumatic LLL.
- Subjects
NORTH Carolina; TEXAS; WASHINGTON (D.C.); AMPUTEES; ANALYSIS of variance; ARTIFICIAL limbs; STATISTICAL correlation; DIAGNOSIS; FUNCTIONAL assessment; POSTURAL balance; GAIT in humans; LIFE skills; RESEARCH methodology; MEDICAL cooperation; MEDICAL rehabilitation; MILITARY hospitals; MOTOR ability; PSYCHOLOGY of movement; HEALTH outcome assessment; PATIENTS; PHYSICAL therapists; PROBABILITY theory; REHABILITATION centers; RESEARCH; RESEARCH evaluation; RESEARCH funding; MILITARY personnel; T-test (Statistics); COMORBIDITY; ACTIVITIES of daily living; PAIN measurement; BODY movement; MULTITRAIT multimethod techniques; CROSS-sectional method; RESEARCH methodology evaluation; DATA analysis software; TRAUMATIC amputation; DESCRIPTIVE statistics; PHYSICAL therapy assessment
- Publication
Journal of Rehabilitation Research & Development, 2013, Vol 50, Issue 7, p919
- ISSN
0748-7711
- Publication type
Article
- DOI
10.1682/JRRD.2012.05.0100