Development and Psychometric Testing of the Diabetes Caregiver Activity and Support Scale

Lisa J. Scarton, Tamilyn Bakas, Wendy Miller, Susan M. McLennon, Lesa L. Huber, Margie A. Hull

Research output: Contribution to journalArticle

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Abstract

Purpose: The purpose of this study was to develop and psychometrically test the Diabetes Caregiver Activity and Support Scale (D-CASS), a measure of how difficult or easy caregiver activity and supportive behaviors are for family caregivers of persons with type 2 diabetes (T2DM). Methods: Internal consistency reliability, test-retest reliability, criterion-related validity, and construct validity were examined in 101 family caregivers of persons with T2DM. Participants were recruited using study brochures distributed at a large hospital in the Midwest and at statewide American Indian Pow Wows. Additionally, study brochures were available via a link on Facebook. Data collection occurred by telephone, face-to-face, or through Facebook using measures with evidence of reliability and validity. Family caregivers were predominately female (82.2%), spouses (50.2%), and American Indian (17%), African American (24%), or white (55%). Data were analyzed using descriptive statistics and psychometric analyses. Results: The psychometric analyses resulted in an 11-item D-CASS with evidence of internal consistency reliability (alpha =.82) and test-retest reliability. Evidence of construct validity was obtained using 3 hierarchical multiple regressions guided by a conceptual model. Factor analysis supported the unidimensionality of the D-CASS. Conclusion: The 11-item D-CASS is a brief and easy to administer instrument that has evidence of reliability and validity in family caregivers of persons with T2DM.

Original languageEnglish (US)
Pages (from-to)465-475
Number of pages11
JournalDiabetes Educator
Volume43
Issue number5
DOIs
StatePublished - Oct 1 2017

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Psychometrics
Caregivers
Reproducibility of Results
Pamphlets
North American Indians
Spouses
Telephone
African Americans
Type 2 Diabetes Mellitus
Statistical Factor Analysis

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Health Professions (miscellaneous)

Cite this

Development and Psychometric Testing of the Diabetes Caregiver Activity and Support Scale. / Scarton, Lisa J.; Bakas, Tamilyn; Miller, Wendy; McLennon, Susan M.; Huber, Lesa L.; Hull, Margie A.

In: Diabetes Educator, Vol. 43, No. 5, 01.10.2017, p. 465-475.

Research output: Contribution to journalArticle

Scarton, Lisa J. ; Bakas, Tamilyn ; Miller, Wendy ; McLennon, Susan M. ; Huber, Lesa L. ; Hull, Margie A. / Development and Psychometric Testing of the Diabetes Caregiver Activity and Support Scale. In: Diabetes Educator. 2017 ; Vol. 43, No. 5. pp. 465-475.
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