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Performance of health-status scales when used selectively or within multi-scale questionnaire

Gummesson, Christina LU ; Atroshi, Isam and Ekdahl, Charlotte (2003) In BMC Medical Research Methodology 3(3).
Abstract
BACKGROUND: Little work has been done to investigate the suggestion that the use of selected scales from a multi-scale health-status questionnaire would compromise reliability and validity. The aim of this study was to compare the performance of three scales selected from the SF-36 generic health questionnaire when administered in isolation or within the entire SF-36 to patients with musculoskeletal disorders. METHODS: Two groups of patients referred to an orthopedic department completed a mailed questionnaire within 4 weeks prior to and a second questionnaire during their visit. The first group completed three SF-36 scales related to physical health (physical functioning, bodily pain, and general health perceptions) on one occasion and... (More)
BACKGROUND: Little work has been done to investigate the suggestion that the use of selected scales from a multi-scale health-status questionnaire would compromise reliability and validity. The aim of this study was to compare the performance of three scales selected from the SF-36 generic health questionnaire when administered in isolation or within the entire SF-36 to patients with musculoskeletal disorders. METHODS: Two groups of patients referred to an orthopedic department completed a mailed questionnaire within 4 weeks prior to and a second questionnaire during their visit. The first group completed three SF-36 scales related to physical health (physical functioning, bodily pain, and general health perceptions) on one occasion and all eight SF-36 scales on the other occasion. The second group completed the entire SF-36 on two occasions. Results for patients who reported unchanged health status and had complete scores were analyzed; 80 patients in the first and 62 patients in the second group. RESULTS: The Cronbach alpha reliability and intraclass correlation coefficients exceeded 0.7 for all three scales for both groups. For the first group the mean difference between the scores was 0.4 point for physical functioning, 2.5 points for bodily pain, and 0.5 point for general health perceptions, which did not differ significantly from the corresponding differences for the second group (0.1, 1.9 and 1 point, respectively). CONCLUSION: The use of selected scales from a multi-scale health-status questionnaire seems to yield similar results compared to their use within the entire questionnaire. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
BMC Medical Research Methodology
volume
3
issue
3
publisher
BioMed Central
external identifiers
  • pmid:12585967
  • scopus:2942735429
ISSN
1471-2288
DOI
10.1186/1471-2288-3-3
language
English
LU publication?
yes
id
c1c9d8e9-b89b-4fd6-8983-9065104cea0a (old id 1127875)
date added to LUP
2008-06-04 14:13:59
date last changed
2018-01-07 09:36:58
@article{c1c9d8e9-b89b-4fd6-8983-9065104cea0a,
  abstract     = {BACKGROUND: Little work has been done to investigate the suggestion that the use of selected scales from a multi-scale health-status questionnaire would compromise reliability and validity. The aim of this study was to compare the performance of three scales selected from the SF-36 generic health questionnaire when administered in isolation or within the entire SF-36 to patients with musculoskeletal disorders. METHODS: Two groups of patients referred to an orthopedic department completed a mailed questionnaire within 4 weeks prior to and a second questionnaire during their visit. The first group completed three SF-36 scales related to physical health (physical functioning, bodily pain, and general health perceptions) on one occasion and all eight SF-36 scales on the other occasion. The second group completed the entire SF-36 on two occasions. Results for patients who reported unchanged health status and had complete scores were analyzed; 80 patients in the first and 62 patients in the second group. RESULTS: The Cronbach alpha reliability and intraclass correlation coefficients exceeded 0.7 for all three scales for both groups. For the first group the mean difference between the scores was 0.4 point for physical functioning, 2.5 points for bodily pain, and 0.5 point for general health perceptions, which did not differ significantly from the corresponding differences for the second group (0.1, 1.9 and 1 point, respectively). CONCLUSION: The use of selected scales from a multi-scale health-status questionnaire seems to yield similar results compared to their use within the entire questionnaire.},
  author       = {Gummesson, Christina and Atroshi, Isam and Ekdahl, Charlotte},
  issn         = {1471-2288},
  language     = {eng},
  number       = {3},
  publisher    = {BioMed Central},
  series       = {BMC Medical Research Methodology},
  title        = {Performance of health-status scales when used selectively or within multi-scale questionnaire},
  url          = {http://dx.doi.org/10.1186/1471-2288-3-3},
  volume       = {3},
  year         = {2003},
}