Detecting and measuring deprivation in primary care: development, reliability and validity of a self-reported questionnaire: the DiPCare-Q.

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State: Public
Version: Final published version
Serval ID
serval:BIB_0C90CBBAD95F
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Detecting and measuring deprivation in primary care: development, reliability and validity of a self-reported questionnaire: the DiPCare-Q.
Journal
BMJ Open
Author(s)
Vaucher P., Bischoff T., Diserens E.A., Herzig L., Meystre-Agustoni G., Panese F., Favrat B., Sass C., Bodenmann P.
ISSN
2044-6055 (Electronic)
Publication state
Published
Issued date
2012
Peer-reviewed
Oui
Volume
2
Number
1
Pages
e000692
Language
english
Notes
Publication types: Journal Article Publication Status: epublish
Abstract
OBJECTIVES: Advances in biopsychosocial science have underlined the importance of taking social history and life course perspective into consideration in primary care. For both clinical and research purposes, this study aims to develop and validate a standardised instrument measuring both material and social deprivation at an individual level.
METHODS: We identified relevant potential questions regarding deprivation using a systematic review, structured interviews, focus group interviews and a think-aloud approach. Item response theory analysis was then used to reduce the length of the 38-item questionnaire and derive the deprivation in primary care questionnaire (DiPCare-Q) index using data obtained from a random sample of 200 patients during their planned visits to an ambulatory general internal medicine clinic. Patients completed the questionnaire a second time over the phone 3 days later to enable us to assess reliability. Content validity of the DiPCare-Q was then assessed by 17 general practitioners. Psychometric properties and validity of the final instrument were investigated in a second set of patients. The DiPCare-Q was administered to a random sample of 1898 patients attending one of 47 different private primary care practices in western Switzerland along with questions on subjective social status, education, source of income, welfare status and subjective poverty.
RESULTS: Deprivation was defined in three distinct dimensions: material (eight items), social (five items) and health deprivation (three items). Item consistency was high in both the derivation (Kuder-Richardson Formula 20 (KR20) =0.827) and the validation set (KR20 =0.778). The DiPCare-Q index was reliable (interclass correlation coefficients=0.847) and was correlated to subjective social status (r(s)=-0.539).
CONCLUSION: The DiPCare-Q is a rapid, reliable and validated instrument that may prove useful for measuring both material and social deprivation in primary care.
Pubmed
Web of science
Open Access
Yes
Create date
23/02/2012 12:49
Last modification date
20/08/2019 13:34
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