A rasch model to test the cross-cultural validity in the positive and negative syndrome scale (PANSS) across six geo-cultural groups

Table 1 Sample characteristics and geo-cultural groupings

Geo-cultural group	Countries	Total N
Northern Europe	Belgium, Czech Republic, Estonia, Aland (Finland), Germany, Lithuania, Netherlands, Poland, Slovakia, United Kingdom (UK), Hungary	126
Southern Europe	Bulgaria, Croatia, Israel, Romania, Serbia, Spain	162
Eastern Asia	Korea, Malaysia, Singapore, Taiwan, Japan	202
India	Republic of India	185
Russia & Ukraine	Russia, Ukraine	197
United States of America	United States of America (US)	297
Africa	South Africa	10
TOTAL		1,179

ISSN: 2050-7283