Table 3.

Analysis of risk factors of EPS

Factors	B	SE	Wald	P values	OR	95% CI
Age	0.03	0.02	1.92	0.166	1.03	0.99 to 1.08
Gender	−0.24	0.17	1.92	0.166	0.79	0.56 to 1.11
Age of onset	−0.03	0.02	1.33	0.248	0.97	0.93 to 1.02
Typical and atypical antipsychotics polytherapy	0.59	0.36	2.68	0.101	1.80	0.89 to 3.66
Atypical antipsychotics polytherapy	0.24	0.19	1.64	0.201	1.27	0.88 to 1.84
Taking antipsychotics with high D2 antagonistic ability	0.37	0.17	4.59	0.032*	1.44	1.03 to 2.02
Illness duration	0.02	0.01	14.49	0.001**	1.02	1.01 to 1.04
Duration since first prescribed antipsychotics	0.02	0.02	0.96	0.328	1.02	0.98 to 1.06
Combined treatments of mood stabiliser	0.52	0.35	2.18	0.140	1.67	0.85 to 3.31
Constant	−1.326	0.149	78.84	<0.001	0.27

*p≤0.05; **p≤0.01.

EPS, extrapyramidal symptoms.