Table 1.

Baseline characteristics of subjects (N = 1,916).

Variables	Total	ADSs	Deff	χ2 (Phi coefficient)	P-value*	Dissociative scores	Deff	t (Cohen's d-statistic)	P-value*
Gender
Male	924	260 (58.69)	1	15.76 (−0.08)	< 0.001	2.77 ± 2.36	1,914	4.88 (0.20)	< 0.001
Female	992	183 (41.31)				2.29 ± 1.91
Age (years)
13–15	936	204 (46.05)	1	1.13 (0.02)	0.288	2.51 ± 2.19	1,914	−0.22 (0.10)	0.823
16–18	980	239 (53.95)				2.53 ± 2.12
Residence area
Rural	1,320	322 (72.69)	1	2.45 (−0.03)	0.118	2.60 ± 2.17	1,914	2.47 (0.11)	0.014
Urban	596	121 (27.31)				2.34 ± 2.11

Data are presented as No. (%) or mean ± standard deviation.

ADSs Adolescent dissociative symptoms.

*Data in bold are statistically significant (P < 0.10).