By means of the multisample structured means strategy, we examined gender differences in a five-factorial structure model of Positive and Negative Syndrome Scale (PANSS) ratings of 308 patients of both sexes with DSM-IV schizophrenia with comparable age at investigation and overall symptomatic severity across sex. The test indicated that the factors and component symptoms were common across sex, whereas the factor loadings might be different. However, the model that incorporated the difference in the factor loadings did not improve model fit indices. Therefore, it is concluded that this investigation elicited only minimal gender differences, and on the whole confirmed the PANSS five-factor structure for both sexes.

Keywords:
Gender difference, Schizophrenia, Positive and Negative Syndrome Scale, Structural equation modeling, Confirmatory factor analysis
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© 2002 S. Karger AG, Basel
2002
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