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Reported disability in relation to observed activity limitation, grip strength and physical function in women and men with rheumatoid arthritis

Bala, Sidona Valentina LU ; Andersson, Maria L.E. LU orcid ; Forslind, Kristina LU ; Svensson, Björn LU and Hafström, Ingiäld (2021) In BMC Rheumatology 5(1).
Abstract

Background: The self-reported Health Assessment Questionnaire (HAQ) is specifically designed to assess disability in arthritic patients. In many studies women report higher functional disability than men. The reasons for this difference are suggested to be multifactorial. We therefore evaluated functional disability assessed by HAQ in women and men with rheumatoid arthritis (RA) in relation to observed disability, grip force and physical function. Methods: Patients with RA, 51 women and 49 men, completed the HAQ on three occasions, some weeks apart. Between HAQ1 and HAQ2, all patients performed 17 of the 20 activities (7 domains) included in the HAQ under observation in a specially designed environment, the observed HAQ. During the same... (More)

Background: The self-reported Health Assessment Questionnaire (HAQ) is specifically designed to assess disability in arthritic patients. In many studies women report higher functional disability than men. The reasons for this difference are suggested to be multifactorial. We therefore evaluated functional disability assessed by HAQ in women and men with rheumatoid arthritis (RA) in relation to observed disability, grip force and physical function. Methods: Patients with RA, 51 women and 49 men, completed the HAQ on three occasions, some weeks apart. Between HAQ1 and HAQ2, all patients performed 17 of the 20 activities (7 domains) included in the HAQ under observation in a specially designed environment, the observed HAQ. During the same day, grip force, measured by GRIPPIT and physical function assessed by the SOFI (Signals of Functional Impairment) index were evaluated. Differences between groups were studied by the chi-square test, Mann-Whitney U test and Wilcoxon Sign Rank test. Correlations were analysed by Spearman rank correlation. Comparisons between repeated measures were performed using Friedman’s test. Results: Median (IQR) total HAQ1 score was 0.50 (0.88) for women and 0.25 (0.84) for men, p = 0.038, and the observed HAQ score (7 domains) 0.57 (0.9) for women and 0.43 (0.96) for men, p = 0.292. The correlations between reported HAQ1 score (7 domains) and observed HAQ score were strong, r = 0.860, p < 0.001 in women, and r = 0.820, p < 0.001 in men. For some activities the patients, both women and men, reported lower difficulty than that observed. Women had lower grip force than men, median (IQR), right and left 126 (84) Newton, versus 238 (146), p < 0.001, and there was a negative correlation between grip force and most of the separate activities in HAQ in both genders. SOFI index was similar in women and men, median (IQR) 0 (3.0) versus 0 (2.0), p = 0.277, with a moderate correlation to HAQ. Conclusions: The results indicate that in well-treated patients with RA the correlations between reported and observed HAQ scores were strong, similarly in women and men. We found no evidence that the patient’s opinion was dependent on unawareness of her/his own ability.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Disability, Hand strength, HAQ, Men, Mobility, Rheumatoid arthritis, Women
in
BMC Rheumatology
volume
5
issue
1
article number
13
publisher
BioMed Central (BMC)
external identifiers
  • scopus:85104967368
  • pmid:33934720
ISSN
2520-1026
DOI
10.1186/s41927-021-00184-5
language
English
LU publication?
yes
id
9fc5c46b-cf52-43d7-8777-253c48c3d0a3
date added to LUP
2021-05-11 15:38:01
date last changed
2024-06-15 11:06:06
@article{9fc5c46b-cf52-43d7-8777-253c48c3d0a3,
  abstract     = {{<p>Background: The self-reported Health Assessment Questionnaire (HAQ) is specifically designed to assess disability in arthritic patients. In many studies women report higher functional disability than men. The reasons for this difference are suggested to be multifactorial. We therefore evaluated functional disability assessed by HAQ in women and men with rheumatoid arthritis (RA) in relation to observed disability, grip force and physical function. Methods: Patients with RA, 51 women and 49 men, completed the HAQ on three occasions, some weeks apart. Between HAQ1 and HAQ2, all patients performed 17 of the 20 activities (7 domains) included in the HAQ under observation in a specially designed environment, the observed HAQ. During the same day, grip force, measured by GRIPPIT and physical function assessed by the SOFI (Signals of Functional Impairment) index were evaluated. Differences between groups were studied by the chi-square test, Mann-Whitney U test and Wilcoxon Sign Rank test. Correlations were analysed by Spearman rank correlation. Comparisons between repeated measures were performed using Friedman’s test. Results: Median (IQR) total HAQ1 score was 0.50 (0.88) for women and 0.25 (0.84) for men, p = 0.038, and the observed HAQ score (7 domains) 0.57 (0.9) for women and 0.43 (0.96) for men, p = 0.292. The correlations between reported HAQ1 score (7 domains) and observed HAQ score were strong, r = 0.860, p &lt; 0.001 in women, and r = 0.820, p &lt; 0.001 in men. For some activities the patients, both women and men, reported lower difficulty than that observed. Women had lower grip force than men, median (IQR), right and left 126 (84) Newton, versus 238 (146), p &lt; 0.001, and there was a negative correlation between grip force and most of the separate activities in HAQ in both genders. SOFI index was similar in women and men, median (IQR) 0 (3.0) versus 0 (2.0), p = 0.277, with a moderate correlation to HAQ. Conclusions: The results indicate that in well-treated patients with RA the correlations between reported and observed HAQ scores were strong, similarly in women and men. We found no evidence that the patient’s opinion was dependent on unawareness of her/his own ability.</p>}},
  author       = {{Bala, Sidona Valentina and Andersson, Maria L.E. and Forslind, Kristina and Svensson, Björn and Hafström, Ingiäld}},
  issn         = {{2520-1026}},
  keywords     = {{Disability; Hand strength; HAQ; Men; Mobility; Rheumatoid arthritis; Women}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{BioMed Central (BMC)}},
  series       = {{BMC Rheumatology}},
  title        = {{Reported disability in relation to observed activity limitation, grip strength and physical function in women and men with rheumatoid arthritis}},
  url          = {{http://dx.doi.org/10.1186/s41927-021-00184-5}},
  doi          = {{10.1186/s41927-021-00184-5}},
  volume       = {{5}},
  year         = {{2021}},
}