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J Rehabil Med. 2012 Oct;44(10):869-76. doi: 10.2340/16501977-1035.

Validity and responsiveness of the Measure of Activity Performance of the Hand (MAP-Hand) in patients with hand osteoarthritis.

Author information

1
National Resource Center for Rehabilitation in Rheumatology, Diakonhjemmet Hospital, Oslo, Norway. linda.fernandes1@gmail.com.

Abstract

BACKGROUND:

The Measure of Activity Performance of the Hand (MAP-Hand) is reliable and valid in patients with rheumatoid arthritis.

OBJECTIVE:

To assess the validity and responsiveness of the MAP-Hand in patients with hand osteoarthritis.

METHODS:

Patients were recruited from 2 rheumatology centres. The internal consistency of the MAP-Hand was assessed by Cronbach's α. Content validity was evaluated based on patient interviews. Construct validity and responsiveness were based on predefined hypotheses of correlation between the MAP-Hand and concurrent measures.

RESULTS:

Ten men and 201 women, mean age 62.8 years (standard deviation (SD) 6.8) and disease duration 12.5 (SD 7.5) years were included. A Cronbach's α of 0.86 was determined. All 18 items in the MAP-Hand were described in the interviews. Sixty-seven percent of the correlation coefficients for baseline scores and 75% for change scores were in correspondence with the predefined hypotheses. A high correlation was found between the MAP-Hand and the Australian/Canadian Hand Osteoarthritis Index function score at baseline (rho = 0.76). A moderate correlation was found for change scores (rho = 0.52).

CONCLUSION:

The content of the MAP-Hand adequately reflects described activity limitations in patients with hand osteoarthritis. The results suggest that the MAP-Hand has adequate internal consistency and responsiveness. Before the MAP-Hand is used in patients with hand osteoarthritis, evaluations of reliability and further construct validity are warranted.

PMID:
22948123
DOI:
10.2340/16501977-1035
[Indexed for MEDLINE]
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