Psychometric properties of the general self-efficacy scale in Parkinson's disease

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Nilsson, Maria H.Lunds universitet (author)

Psychometric properties of the general self-efficacy scale in Parkinson's disease

Article/chapterEnglish2015

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Wiley-Blackwell,2015
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LIBRIS-ID:oai:DiVA.org:hkr-13517
urn:nbn:se:hkr:diva-13517urn
https://doi.org/10.1111/ane.12368DOI
https://lup.lub.lu.se/record/5039314URI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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OBJECTIVE: This study aimed to investigate the psychometric properties of the General Self-Efficacy Scale (GSE) in people with Parkinson's disease (PD). More specifically, we investigated data completeness, scaling assumptions, targeting, reliability, and construct validity.MATERIALS AND METHODS: This study involves data available from two different projects that included people diagnosed with PD for at least 1 year, yielding two samples (1 and 2). The combined total sample (N = 346; 60% men) had a mean (SD) age and PD duration of 71 (8.9) and 9 years (6.3), respectively. Both samples received a self-administered survey by mail, which was administered twice in sample 2. Additional data (e.g., clinical assessments) were available for Sample 1.RESULTS: Total GSE scores were computable for 336 participants (97%). Corrected item-total correlations exceeded 0.4. Principal component analyses identified one component (the eigenvalue of the first component extracted was 6.9), explaining 69% of the total variance. Floor and ceiling effects were < 6%. Internal consistency (coefficient alpha) was 0.95. Analyses of test-retest reliability yielded (ICC) values from 0.69 to 0.80. The highest value refers to those (n = 47) with identical self-ratings of mobility (in the on condition) at both tests; the standard error of measurement was 3.1 points. Construct validity was further supported by correlations in accordance with a priori expectations.CONCLUSIONS: This study provides support for the validity and reliability of GSE scores in people with PD; the GSE can thus serve as a valuable outcome measurement in clinical practice and research.

Subject headings and genre

MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Annan medicin och hälsovetenskap Gerontologi, medicinsk/hälsovetenskaplig inriktning hsv//swe
MEDICAL AND HEALTH SCIENCES Other Medical Sciences Gerontology, specializing in Medical and Health Sciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Annan medicin och hälsovetenskap hsv//swe
MEDICAL AND HEALTH SCIENCES Other Medical and Health Sciences hsv//eng
Parkinson's disease
patient outcome assessment
psychometrics
questionnaires
rehabilitation
reliability and validity
self-efficacy

Added entries (persons, corporate bodies, meetings, titles ...)

Hagell, PeterLund University,Lunds universitet,Högskolan Kristianstad,Forskningsmiljön PRO-CARE, Patient Reported Outcomes - Clinical Assessment Research and Education,Avdelningen för Hälsovetenskap I,Äldres hälsa och personcentrerad vård,Forskargrupper vid Lunds universitet,Older people's health and Person-Centred care,Lund University Research Groups(Swepub:hkr)hape (author)
Iwarsson, SLunds universitet (author)
Nilsson, Maria HLund University,Lunds universitet,Aktivt och hälsosamt åldrande,Forskargrupper vid Lunds universitet,Active and Healthy Ageing Research Group,Lund University Research Groups(Swepub:lu)sjuk-mni (author)
Iwarsson, SusanneLund University,Lunds universitet,Aktivt och hälsosamt åldrande,Forskargrupper vid Lunds universitet,Active and Healthy Ageing Research Group,Lund University Research Groups(Swepub:lu)arb-siw (author)
Lunds universitetForskningsmiljön PRO-CARE, Patient Reported Outcomes - Clinical Assessment Research and Education (creator_code:org_t)

Related titles

In:Acta Neurologica Scandinavica: Wiley-Blackwell132:2, s. 89-960001-63141600-0404

Internet link

http://www.ncbi.nlm.nih.gov/pubmed/25630440?dopt=AbstractFULLTEXT
http://dx.doi.org/10.1111/ane.12368FULLTEXT
http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-13517Till lärosätets (hkr) databas
https://doi.org/10.1111/ane.12368
https://lup.lub.lu.se/record/5039314

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Acta Neurologica Scandinavica (Search for host publication in LIBRIS)

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Kristianstad University College

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Neurosciences

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine

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