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Validity of the Center for Epidemiological Studies Depression scale in Type 2 diabetes

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Date
2016
Author
Carter, Jasmine
Cogo-Moreira, Hugo [UNIFESP]
Herrmann, Nathan
Merino, Daniel
Yang, Pearl
Shah, Baiju R.
Kiss, Alex
Reitav, Jaan
Oh, Paul I.
Swardfager, Walter
Type
Artigo
ISSN
0022-3999
Is part of
Journal Of Psychosomatic Research
DOI
10.1016/j.jpsychores.2016.09.013
Metadata
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Abstract
Objective: Depressive symptoms are common among people with Type 2 diabetes mellitus (T2DM). This study aimed to validate the 3-factor structure of the 14-item Center for Epidemiological Studies Depression (CES-D) scale proposed by Carleton et al. (2013) in a T2DM population. Methods: The CES-D was administered to consecutive patients with T2DM entering a rehabilitation program. Construct validity was assessed using confirmatory factor analysis. Subscale viability, differential item functioning, and associations with clinical characteristics were tested in bifactor models. Results: Among adults with T2DM (n = 305, age 56.9 +/- 11.1, 44.9% male, duration of diabetes 7.8 +/- 7.9 years, HbA1c 0.076 +/- 0.014%), the construct validity of Carleton's 3-factor solution (negative affective, positive affective and somatic symptoms) was confirmed, although negative affective and somatic symptoms were highly correlated (r = 0.926). The CES-D items can be summed to arrive at a total score (omega(H) = 0.869), but not subscale scores (omega(s) > 0.7). Differential item functioning was not found based on age or body mass index (BMI), but Item 1 ("I was bothered by things that don't usually bother me") was inflated in women and Item 7 ("I felt that everything I did was an effort") was inflated in those with higher glycosylated haemoglobin (HbA1c). The general depression factor decreased with age (beta = 0.247, p < 0.001) and increased with BMI (beta= 0.102, p = 0.041) but not HbA1 c (beta= 0.065, p = 0.461). Negative affective symptoms (beta = 0.743, p = 0.001), but not other depressive symptoms, were higher in women. Conclusions: The 14-item CES-D retained construct validity in adults with T2DM. Depressive symptoms were associated with younger age, female gender and BMI, but not with glycemic control. (C) 2016 Elsevier Inc. All rights reserved.
Citation
Journal Of Psychosomatic Research. Oxford, v. 90, p. 91-97, 2016.
Keywords
Type 2 diabetes
Depression
Center for Epidemiological Studies Depression
scale
Differential item functioning
Bifactor model
Invariance
Glycemic control
Sponsorship
University Health Network Toronto Rehabilitation Institute Cardiac Rehabilitation Program
Ministry of Health in Ontario
URI
https://repositorio.unifesp.br/handle/11600/56848
Collections
  • EPM - Artigos [16303]

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