ARC and schizophrenia: Further, although ARC SNP rs35900184 did not show statistically significant association with schizophrenia in the CH population alone (Table 6), when all three racial groups were combined to increase statistical power, rs35900184 revealed a strongly significant association with schizophrenia (p = 2.353 x 10−7; OR [95% CI] = 1.54 [1.310–1.820]; Table 8).