Reliability and construct validity of three self-report questionnaires assessing dual-task difficulties in people with multiple sclerosis: an international study.
Patient-reported outcome measure
dual task
gait
multiple sclerosis
reliability
validity
Journal
Archives of physical medicine and rehabilitation
ISSN: 1532-821X
Titre abrégé: Arch Phys Med Rehabil
Pays: United States
ID NLM: 2985158R
Informations de publication
Date de publication:
10 Oct 2024
10 Oct 2024
Historique:
received:
03
02
2024
revised:
02
07
2024
accepted:
28
08
2024
medline:
13
10
2024
pubmed:
13
10
2024
entrez:
12
10
2024
Statut:
aheadofprint
Résumé
To evaluate the reliability and validity of the Dual-Tasking Questionnaire (DTQ), Dual-Task Screening-List (DTSL), and Dual-Task-Impact on Daily-life Activities Questionnaire (DIDA-Q). Multi-center, cross-sectional study SETTING: PwMS were recruited from seven MS centers across six countries (Belgium, Chile, Italy, Israel, Spain, and Turkey). A total of 356 pwMS (mean age 47.5±11.5, EDSS 3.79±1.83) were enrolled. Not applicable MAIN OUTCOME MEASURES: The reliability (internal consistency, test-retest, and measurement error) and construct validity (structural and convergent) were assessed. The DTQ, DTSL, and DIDA-Q demonstrated excellent test-retest reliability [Intraclass correlation coefficients (95% CI): 0.84 (0.80-0.87) to 0.90 (0.87-0.92)] and internal consistency (Cronbach's α: 0.86 to 0.96). As hypothesized, the three questionnaires showed a strong correlation with each other, moderate-to-strong correlations with other self-report questionnaires (perceived walking difficulties, fatigue, and fear of falling), and low-to-moderate correlations with cognitive information processing speed, manual dexterity, and dual-task walking performance (walking with word list generation task), showing convergent validity. The DIDA-Q exhibited systematically superior properties. These results were also verified in subsets from six different countries. In the structural validity analysis, all questionnaires displayed two main factors, allocated as 'motor-driven' and 'cognitive-driven' subscales. The DTQ, DTSL, and DIDA-Q have good-to-excellent measurement properties, with the highest properties observed in DIDA-Q. The use of these self-reported questionnaires can be used in research and clinical practice to assess the impact of dual-task difficulties on the daily life of ambulatory pwMS.
Identifiants
pubmed: 39395710
pii: S0003-9993(24)01231-0
doi: 10.1016/j.apmr.2024.08.024
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2024. Published by Elsevier Inc.
Déclaration de conflit d'intérêts
Declaration of competing interest Authors have nothing to disclose, neither financial interests nor non-financial interests.