Eating Disorder-15 (ED-15): Factor structure, psychometric properties, and clinical validation.
Eur Eat Disord Rev
; 27(6): 682-691, 2019 11.
Article
em En
| MEDLINE
| ID: mdl-31257707
ABSTRACT
OBJECTIVE:
The purpose of the current study was to explore the factor structure and psychometric properties of the Portuguese version of the Eating Disorder-15 (ED-15), as well as to establish cutoff scores and normative data for the Portuguese version.METHODS:
Participants from a nonclinical sample (N = 860) and an eating disorders clinical sample (N = 260) were invited to complete a set of questionnaires, including the Portuguese version of the ED-15.RESULTS:
The first-order two-factor structure originally proposed by the ED-15 authors was endorsed through a confirmatory factor analysis (χ2 /df = 2.610; standardized root-mean-square residual = 0.0325; root-mean-square error of approximation = 0.079; Tucker-Lewis index/goodness-of-fit index/incremental fit index > 0.95). Items revealed adequate construct validity (λ = .54-.90; R2 = .29-.81). The ED-15 revealed excellent internal consistency (α = .91) and temporal stability (intraclass correlation coefficient = .92; 95% CI [.84-.95]). Normative data for the ED-15 were provided. The ED-15 demonstrated acceptable concurrent and convergent validity. Receiver operating characteristic analysis revealed that the ED-15 total score accurately discriminates between participants with and without an eating disorder (area under de curve = .80; SE = .017; p ≤ .001; 95% CI [.766-.834]). A cutoff score for clinical significance and a reliable change index were computed.CONCLUSIONS:
The Portuguese version of the ED-15 is a reliable and valid measure of eating psychopathology and symptoms, whenever a brief measure is needed, as in session-by-session assessment of therapy progress and outcome.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Transtornos da Alimentação e da Ingestão de Alimentos
/
Inquéritos e Questionários
Limite:
Adolescent
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Adult
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Female
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Humans
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Middle aged
Idioma:
En
Ano de publicação:
2019
Tipo de documento:
Article