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Table 1 Sample characteristics and geo-cultural groupings

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

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