Reliability and Construct Validity of the Patient-Reported Outcomes Measurement Information System (PROMIS) Instruments in Women with Fibromyalgia.

ABSTRACT:

Objective

The Patient-Reported Outcomes Measurement Information System (PROMIS) was developed to standardize measurement of clinically relevant patient-reported outcomes. This study evaluated the reliability and construct validity of select PROMIS static short-form (SF) instruments in women with fibromyalgia.

Design

Analysis of baseline data from the Fibromyalgia Activity Study with TENS (FAST), a randomized controlled trial of the efficacy of transcutaneous electrical nerve stimulation.

Setting

Dual site, university-based outpatient clinics.

Subjects

Women aged 20 to 67 years diagnosed with fibromyalgia.

Methods

Participants completed the Revised Fibromyalgia Impact Questionnaire (FIQR) and 10 PROMIS static SF instruments. Internal consistency was calcu

SUBMITTER: Merriwether EN 

PROVIDER: S-EPMC6279305 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature