表 2. Cox regression model was used to explore for risk factors for suicide in schizophrenia patients (n=170006).

Cox回归模型探索精神分裂症患者自杀的影响因素（n=170006）

Factor	β	SE	Z	P	HR	95% CI
SE: standard error; HR: hazard ratio; CI: confidence interval.
Sex
Male	—	—	—	—	1.00	—
Female	0.13	0.07	1.93	0.053	1.14	1.00-1.29
Age
61-90 yr.	—	—	—	—	1.00	—
45-60 yr.	0.67	0.10	6.60	<0.001	1.96	1.60-2.39
31-45 yr.	1.28	0.11	11.88	<0.001	3.86	2.92-4.47
15-30 yr.	2.51	0.12	20.24	<0.001	12.95	10.16-16.50
Economic status
Non-poverty	—	—	—	—	1.00	1.00
Poverty	0.18	0.08	3.12	0.025	1.20	1.02-1.41
Education
Illiterate or semi-literate	—	—	—	—	1.00	—
Primary school	0.28	0.10	2.85	0.004	1.32	1.09-1.60
Middle school	0.34	0.11	3.12	0.002	1.40	1.14-1.73
High school and above	0.66	0.13	4.90	<0.001	1.94	1.49-2.52
Occupation
Non-farmer	—	—	—	—	1.00	1.00
Farmer	0.31	0.10	3.18	0.001	1.36	1.13-1.65
Family history of mental illness
No	—	—	—	—	1.00	—
Yes	−0.13	0.16	−0.82	0.414	0.89	0.64-1.20
Psychotropic therapy
No	—	—	—	—	1.00	1.00
Yes	0.35	0.15	2.36	0.018	1.42	1.06-1.90
Medication compliance
Low	—	—	—	—	1.00	—
High	0.65	0.07	8.99	<0.001	1.91	1.66-2.20
Causing minor affrays
No	—	—	—	—	1.00	—
Yes	−0.17	0.11	−1.57	0.116	0.85	0.69-1.04
Causing troubles
No	—	—	—	—	1.00	—
Yes	−0.29	0.19	−1.30	0.126	0.75	0.52-1.08
Causing accidents
No	—	—	—	—	1.00	—
Yes	−0.94	0.51	−1.85	0.064	0.39	0.14-1.06
Self-harm
No	—	—	—	—	1.00	—
Yes	0.19	0.23	0.76	0.126	1.20	0.75-1.90
Suicide attempt
No	—	—	—	—	1.00	—
Yes	0.99	0.24	4.23	<0.001	2.70	1.70-4.29