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. 2021 Mar 30;62(9):1140–1149. doi: 10.1111/jcpp.13384

Table 1.

Characteristics of participants

Variables Boys Girls Men Women
Patients Controls Patients Controls Patients Controls Patients Controls
N 563 430 135 265 412 241 223 224
Mean age (SD) 11.0 (1.9) 10.8 (1.9) 10.3 (1.9) 10.4 (1.8) 32.1 (8.9) 32.2 (8.7) 36.1 (10.1) 35.7 (11.0)
Mean IQ (SD) 103.2 (15.8) 110.4 (14.8) 103.1 (14.8) 112.5 (13.8) 108.4 (14.3) 113.3 (14.8) 108.5 (15.4) 110.5 (15.3)

IQ = Intelligence quotient; SD = Standard deviation. IQ was only available for subsample of patients and controls (see Table S1 for details).