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The Orthostatic Hypotension Questionnaire in Swedish tested in patients with parkinsonism

Olsson, Andreas ; Olsson, Mia ; Fedorowski, Artur LU ; Hagell, Peter LU and Wictorin, Klas LU (2020) In Brain and Behavior
Abstract

Background: Orthostatic hypotension (OH) is common among older people and in particular in conditions like Parkinson’s disease (PD). The OH Questionnaire (OHQ) has been proposed as a useful patient-reported assessment tool consisting of the OH Symptom Assessment (OHSA), OH Daily Activity Scale (OHDAS), and a composite score. Aims of the Study: To translate the OHQ into Swedish and assess its psychometric properties. Methods: Following forward–backward translation, the Swedish OHQ was field-tested (n = 6) for relevance, comprehensibility, and respondent burden. It was then tested regarding scaling assumptions, targeting, reliability, and construct validity in persons with PD (n = 27) and multiple system atrophy (n = 2). Results: The... (More)

Background: Orthostatic hypotension (OH) is common among older people and in particular in conditions like Parkinson’s disease (PD). The OH Questionnaire (OHQ) has been proposed as a useful patient-reported assessment tool consisting of the OH Symptom Assessment (OHSA), OH Daily Activity Scale (OHDAS), and a composite score. Aims of the Study: To translate the OHQ into Swedish and assess its psychometric properties. Methods: Following forward–backward translation, the Swedish OHQ was field-tested (n = 6) for relevance, comprehensibility, and respondent burden. It was then tested regarding scaling assumptions, targeting, reliability, and construct validity in persons with PD (n = 27) and multiple system atrophy (n = 2). Results: The Swedish OHQ was considered relevant and easy to use, with a mean completion time of 5.3 min. Scaling assumptions were acceptable for OHSA and OHDAS (corrected item-total correlations,.30–.67) but not for the total score (.12–.69). Floor/ceiling effects were ≤3.4% and reliability was >.64. Construct validity was supported by expected correlations with the SCOPA-AUT, RAND-36, and blood pressure measurements. Conclusions: The Swedish OHQ was well received, and psychometric results suggest that the OHQ (particularly the OHDAS) is a useful tool for OH assessment in parkinsonian disorders. Further testing in larger samples is needed.

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author
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organization
publishing date
type
Contribution to journal
publication status
epub
subject
keywords
orthostatic hypotension, Parkinson’s disease, rating scale, reliability, translation, validity
in
Brain and Behavior
publisher
John Wiley and Sons Inc.
external identifiers
  • scopus:85087573611
  • pmid:32633094
ISSN
2162-3279
DOI
10.1002/brb3.1746
language
English
LU publication?
yes
id
107a66ba-994c-4b3f-900c-982a71b8f99f
date added to LUP
2020-07-16 14:48:35
date last changed
2020-10-16 03:00:10
@article{107a66ba-994c-4b3f-900c-982a71b8f99f,
  abstract     = {<p>Background: Orthostatic hypotension (OH) is common among older people and in particular in conditions like Parkinson’s disease (PD). The OH Questionnaire (OHQ) has been proposed as a useful patient-reported assessment tool consisting of the OH Symptom Assessment (OHSA), OH Daily Activity Scale (OHDAS), and a composite score. Aims of the Study: To translate the OHQ into Swedish and assess its psychometric properties. Methods: Following forward–backward translation, the Swedish OHQ was field-tested (n = 6) for relevance, comprehensibility, and respondent burden. It was then tested regarding scaling assumptions, targeting, reliability, and construct validity in persons with PD (n = 27) and multiple system atrophy (n = 2). Results: The Swedish OHQ was considered relevant and easy to use, with a mean completion time of 5.3 min. Scaling assumptions were acceptable for OHSA and OHDAS (corrected item-total correlations,.30–.67) but not for the total score (.12–.69). Floor/ceiling effects were ≤3.4% and reliability was &gt;.64. Construct validity was supported by expected correlations with the SCOPA-AUT, RAND-36, and blood pressure measurements. Conclusions: The Swedish OHQ was well received, and psychometric results suggest that the OHQ (particularly the OHDAS) is a useful tool for OH assessment in parkinsonian disorders. Further testing in larger samples is needed.</p>},
  author       = {Olsson, Andreas and Olsson, Mia and Fedorowski, Artur and Hagell, Peter and Wictorin, Klas},
  issn         = {2162-3279},
  language     = {eng},
  month        = {07},
  publisher    = {John Wiley and Sons Inc.},
  series       = {Brain and Behavior},
  title        = {The Orthostatic Hypotension Questionnaire in Swedish tested in patients with parkinsonism},
  url          = {http://dx.doi.org/10.1002/brb3.1746},
  doi          = {10.1002/brb3.1746},
  year         = {2020},
}