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Upper-extremity and mobility subdomains from the Patient-Reported Outcomes Measurement Information System (PROMIS) adult physical functioning item bank.

Abstract：

OBJECTIVE:To create upper-extremity and mobility subdomain scores from the Patient-Reported Outcomes Measurement Information System (PROMIS) physical functioning adult item bank. DESIGN:Expert reviews were used to identify upper-extremity and mobility items from the PROMIS item bank. Psychometric analyses were conducted to assess empirical support for scoring upper-extremity and mobility subdomains. SETTING:Data were collected from the U.S. general population and multiple disease groups via self-administered surveys. PARTICIPANTS:The sample (N=21,773) included 21,133 English-speaking adults who participated in the PROMIS wave 1 data collection and 640 Spanish-speaking Latino adults recruited separately. INTERVENTIONS:Not applicable. MAIN OUTCOME MEASURES:We used English- and Spanish-language data and existing PROMIS item parameters for the physical functioning item bank to estimate upper-extremity and mobility scores. In addition, we fit graded response models to calibrate the upper-extremity items and mobility items separately, compare separate to combined calibrations, and produce subdomain scores. RESULTS:After eliminating items because of local dependency, 16 items remained to assess upper extremity and 17 items to assess mobility. The estimated correlation between upper extremity and mobility was .59 using existing PROMIS physical functioning item parameters (r=.60 using parameters calibrated separately for upper-extremity and mobility items). CONCLUSIONS:Upper-extremity and mobility subdomains shared about 35% of the variance in common, and produced comparable scores whether calibrated separately or together. The identification of the subset of items tapping these 2 aspects of physical functioning and scored using the existing PROMIS parameters provides the option of scoring these subdomains in addition to the overall physical functioning score.

journal_name

Arch Phys Med Rehabil

journal_title

Archives of physical medicine and rehabilitation

authors

Hays RD,Spritzer KL,Amtmann D,Lai JS,Dewitt EM,Rothrock N,Dewalt DA,Riley WT,Fries JF,Krishnan E

doi

10.1016/j.apmr.2013.05.014

subject

Has Abstract

pub_date

2013-11-01 00:00:00

pages

2291-6

issue

eissn

0003-9993

issn

1532-821X

pii

S0003-9993(13)00424-3

journal_volume

pub_type

杂志文章

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Upper-extremity and mobility subdomains from the Patient-Reported Outcomes Measurement Information System (PROMIS) adult physical functioning item bank.