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Research note
Nahathai Wongpakaran
Chiang Mai University Faculty of Medicine
Corresponding Author
ORCiD: https://orcid.org/0000-0001-8365-2474
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Objective: The Zarit Burden Interview (ZBI) has been widely used to assess caregiver burden. Few research papers have investigated the Thai version of the ZBI. The study aimed to examine the psychometric properties of the Thai version of both the full length (ZBI-22) and short versions (ZBI-12) using Rasch analysis and confirmatory factor analysis among a sample of Alzheimer’s disease caregivers.
Results: The ZBI-22 fitted the Rasch measurement model regarding unidimensionality but not for ZBI-12. Five items from ZBI-22, and 2 items from ZBI-12 were shown to be misfitting items. Half of ZBI items were shown to be disordered category or threshold, and were locally dependent. CFA revealed three-factor and four-factor fitted the data the best for ZBI-22 and ZBI-12, respectively. Reliability was good for both forms of the ZBI (a = 0.86 - 0.92). Significant correlations were found with caregiver’s perceived stress, anxiety/depression, pain and mobility but not with self-care and usual activity ( p >0.05), indicating convergent and discriminant validity. To conclude, the Thai version ZBI-22, but not ZBI-12, supported the reliability and unidimensional scale among Alzheimer’s disease caregivers. Some misfitting items of the ZBI undermined the unidimensionality of the scale, and need revision.
Keywords
Zarit Burden Interview (ZBI), Alzheimer’s disease, caregivers, Rasch analysis, perceived stress, depression, psychometric property
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CURRENT STATUS: Published
View the published article at BMC Research Notes.
Version 2
Posted 21 Jan, 2020
No community comments so far
Review #1 received
Received 11 Feb, 2020
Reviewers invited
Invitations sent on 20 Jan, 2020
Reviewer #1 agreed
On 20 Jan, 2020
Editor assigned
On 18 Jan, 2020
Submission checks complete
On 17 Jan, 2020
Editor invited
On 17 Jan, 2020
No comments provided
Editorial decision: Major revision
On 07 Jan, 2020
Review #1 received
Received 23 Dec, 2019
Editor assigned
On 03 Dec, 2019
Reviewers invited
Invitations sent on 03 Dec, 2019
Reviewer #1 agreed
On 03 Dec, 2019
First submitted
On 02 Dec, 2019
Submission checks complete
On 02 Dec, 2019
Editor invited
On 02 Dec, 2019
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Subject Areas
Psychology
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A new preprint design is coming!
We have improved readability, clarity, accessibility, and opportunities for engagement.
See the published version of this preprint at BMC Research Notes.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research note
Nahathai Wongpakaran
Chiang Mai University Faculty of Medicine
Corresponding Author
ORCiD: https://orcid.org/0000-0001-8365-2474
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Research Notes.
Version 2
Posted 21 Jan, 2020
No community comments so far
Review #1 received
Received 11 Feb, 2020
Reviewers invited
Invitations sent on 20 Jan, 2020
Reviewer #1 agreed
On 20 Jan, 2020
Editor assigned
On 18 Jan, 2020
Submission checks complete
On 17 Jan, 2020
Editor invited
On 17 Jan, 2020
No comments provided
Editorial decision: Major revision
On 07 Jan, 2020
Review #1 received
Received 23 Dec, 2019
Editor assigned
On 03 Dec, 2019
Reviewers invited
Invitations sent on 03 Dec, 2019
Reviewer #1 agreed
On 03 Dec, 2019
First submitted
On 02 Dec, 2019
Submission checks complete
On 02 Dec, 2019
Editor invited
On 02 Dec, 2019
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Psychology
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Research Notes.
Objective: The Zarit Burden Interview (ZBI) has been widely used to assess caregiver burden. Few research papers have investigated the Thai version of the ZBI. The study aimed to examine the psychometric properties of the Thai version of both the full length (ZBI-22) and short versions (ZBI-12) using Rasch analysis and confirmatory factor analysis among a sample of Alzheimer’s disease caregivers.
Results: The ZBI-22 fitted the Rasch measurement model regarding unidimensionality but not for ZBI-12. Five items from ZBI-22, and 2 items from ZBI-12 were shown to be misfitting items. Half of ZBI items were shown to be disordered category or threshold, and were locally dependent. CFA revealed three-factor and four-factor fitted the data the best for ZBI-22 and ZBI-12, respectively. Reliability was good for both forms of the ZBI (a = 0.86 - 0.92). Significant correlations were found with caregiver’s perceived stress, anxiety/depression, pain and mobility but not with self-care and usual activity ( p >0.05), indicating convergent and discriminant validity. To conclude, the Thai version ZBI-22, but not ZBI-12, supported the reliability and unidimensional scale among Alzheimer’s disease caregivers. Some misfitting items of the ZBI undermined the unidimensionality of the scale, and need revision.
This is a list of supplementary files associated with this preprint. Click to download.
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