| PIU group | Control group | t/χ2 | p |
---|---|---|---|---|
(n = 30) | (n = 30) | |||
M ± SD | M ± SD | |||
Gender (female/male) | 17/13 | 12/18 | 0.07 | 0.796 |
Age (years) | 19.80 ± 1.13 | 19.53 ± 1.55 | 0.76 | 0.449 |
Education (years) | 14.08 ± 1.26 | 13.78 ± 1.26 | 0.92 | 0.360 |
CIAS-R | 64.03 ± 5.34 | 36.73 ± 4.67 | 21.082 | < 0.001 |