Chronic pain is defined as “pain that is not fleeting or minor and lasting at least
6 months.”1(p.1234) Chronic pain affects approximately one third of the U.S. adult population and is
associated with poorer socioeconomic indicators (eg, unemployment, lowest household
income).1 The West Haven-Yale Multidimensional Pain Inventory (WHYMPI) was developed using
a sample of patients with chronic pain, emphasizing the role of cognitive, emotional,
and behavioral factors in the experience of pain and related disability.2 This self-report measure consists of 52 items across 12 subscales and 3 overall domains:
pain experience, responses of others to the patient's communicated pain, and performance
of daily living activities. Each item is rated from 0 to 6. Subscale scores are calculated
by taking the mean score of all items within the subscale. Higher subscale scores
for pain interference and severity indicate greater levels of pain and interference
in life, whereas higher subscale scores for activity indicate greater ability in daily
activities. The WHYMPI demonstrates adequate to excellent test-retest reliability
in Swedish, Swiss, and Dutch chronic pain samples,3., 4., 5. and adequate to excellent internal consistency.2., 3. Confirmatory factor analysis supports a 4-factor solution, accounting for 67% to
94% of the variance.2., 6. Convergent validity is supported by adequate to excellent correlations between various
commonly used scales and at least one factor of the WHYMPI.2 The WHYMPI can be administered in 15 to 30 minutes and does not require training
or additional equipment. The measure and additional resources can be found on the
U.S. Department of Veterans Affairs website.7
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Article info
Publication history
Published online: October 27, 2017
Footnotes
Highlights From the Rehabilitation Measures Database
This content is provided as a service by the American Congress of Rehabilitation Medicine and is not peer reviewed by the Archives.
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© 2017 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.