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Titolo:
Assessing psychological distress in patients with skin diseases: reliability, validity and factor structure of the GHQ-12
Autore:
Picardi, A; Abeni, D; Pasquini, P;
Indirizzi:
IRCCS, Dermatol Inst IDI, Clin Epidemiol Unit, I-00167 Rome, Italy IRCCS Rome Italy I-00167 t IDI, Clin Epidemiol Unit, I-00167 Rome, Italy
Titolo Testata:
JOURNAL OF THE EUROPEAN ACADEMY OF DERMATOLOGY AND VENEREOLOGY
fascicolo: 5, volume: 15, anno: 2001,
pagine: 410 - 417
SICI:
0926-9959(200109)15:5<410:APDIPW>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENERAL HEALTH QUESTIONNAIRE; PSYCHIATRIC-DISORDERS; MENTAL-HEALTH; VERSION; MORBIDITY; COMMUNITY; SYMPTOMS; SAMPLE;
Keywords:
dermatology; factor analysis; psychology; quality of life; questionnaire;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Picardi, A IRCCS, Dermatol Inst IDI, Clin Epidemiol Unit, Via Monti di Creta 104, I-00167 Rome, Italy IRCCS Via Monti di Creta 104 Rome Italy I-00167 67 Rome, Italy
Citazione:
A. Picardi et al., "Assessing psychological distress in patients with skin diseases: reliability, validity and factor structure of the GHQ-12", J EUR A D V, 15(5), 2001, pp. 410-417

Abstract

Objective We studied reliability validity and factor structure of the 12-item General Health Questionnaire (GHQ-12) in dermatological patients. Methods Subjects attending a dermatological outpatient clinic were administered the GHQ-12 and the Skindex-29. A random subsample was mailed another copy of the questionnaires to be completed within 1 week. Results A total of 2579 subjects completed the GHQ-12. The internal consistency of the GHQ-12 was high (Cronbach's alpha = 0.88). Test-retest reliability on 137 subjects was also fairly satisfactory (intraclass correlation coefficient = 0.72), notwithstanding a re-test artefact probably related to reassurance from the physician. Evidence of construct validity was providedby the pattern of correlation between scores on the GHQ-12 and on the scales of Skindex-29, which were as hypothesized. Also, GHQ-12 scores of patients in different clinical groups varied as hypothesized, with patients affected by inflammatory skin diseases scoring significantly higher than patients with isolated skin lesions. We obtained both a two-factor and a three-factor solution: the latter seemed theoretically more appropriate, although the first may have practical advantages. A 'social dysfunction' factor emerged in both analyses, while the other items loaded on a 'general dysphoria' factor or on two separate factors interpreted as 'anxiety' and 'loss of self-esteem'. Conclusions The GHQ-12 is a reliable and valid instrument with a factor structure that is quite stable across different samples as well as across diverse cultures. Its brevity and easiness of completion make it a useful toolto assess psychological distress in dermatological patients.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/01/20 alle ore 19:01:40