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Titolo:
The factor structure for positive and negative symptoms in South African Xhosa patients with schizophrenia
Autore:
Emsley, RA; Niehaus, DJH; Mbanga, NI; Oosthuizen, PP; Stein, DJ; Maritz, JS; Pimstone, SN; Hayden, MR; Laurent, C; Deleuze, JF; Mallet, J;
Indirizzi:
Univ Stellenbosch, Dept Psychiat, ZA-7505 Tygerberg, South Africa Univ Stellenbosch Tygerberg South Africa ZA-7505 Tygerberg, South Africa S African Med Council, Inst Biostat, Cape Town, South Africa S African MedCouncil Cape Town South Africa t, Cape Town, South Africa Univ British Columbia, Dept Med Genet, Vancouver, BC, Canada Univ British Columbia Vancouver BC Canada d Genet, Vancouver, BC, Canada Hop La Pitie Salpetriere, LGN, CNRS, Paris, France Hop La Pitie Salpetriere Paris France etriere, LGN, CNRS, Paris, France Rhone Poulenc Rorer Rech & Dev, F-91006 Evry, France Rhone Poulenc Rorer Rech & Dev Evry France F-91006 F-91006 Evry, France
Titolo Testata:
SCHIZOPHRENIA RESEARCH
fascicolo: 2-3, volume: 47, anno: 2001,
pagine: 149 - 157
SICI:
0920-9964(20010301)47:2-3<149:TFSFPA>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
1ST RANK SYMPTOMS; DIMENSIONS; COMPONENTS; DICHOTOMY; PSYCHOSES; MODEL;
Keywords:
cultural influences; factor structure; negative symptoms; positive symptoms; (schizophrenia); Xhosa;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Emsley, RA Univ Stellenbosch, Dept Psychiat, POB 19063, ZA-7505 Tygerberg,South Africa Univ Stellenbosch POB 19063 Tygerberg South Africa ZA-7505 ica
Citazione:
R.A. Emsley et al., "The factor structure for positive and negative symptoms in South African Xhosa patients with schizophrenia", SCHIZOPHR R, 47(2-3), 2001, pp. 149-157

Abstract

Most studies investigating the symptom dimensions of schizophrenia utilising the Scale for the Assessment of Negative Symptoms (SANS) and the Scale for the Assessment of Positive Symptoms (SAPS) favour a three factor model. This study sought to investigate the factor structure of both the global and individual items of the SANS and SAPS in a large sample of South African Xhosa patients with schizophrenia. A total of 422 subjects participated. Both principal components and factor analytical procedures were applied. For the global items, a two-factor solution representing positive and negative symptoms accounted for 59.9% of the variance. Alternatively, the three-dimensional model of negative, psychotic and disorganisation factors was supported by a five-factor solution if the more heterogeneous items of attention and alogia were ignored. Analysis of the individual items yielded a five-factor solution with the negative symptoms splitting into diminished expression and disordered relating, and the positive symptoms separating into factors for psychosis, thought disorder and bizarre behaviour. Our findings are very similar to those from other parts of the world, providing evidence that the factor structure for the symptoms of schizophrenia is relatively resistant to cultural influences. This is particularly true for negative symptoms. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 28/02/20 alle ore 23:23:13