Tardive dyskinesia-depression association in Chinese patients with chronic schizophrenia: The mediating role of insomnia and gender differences

Table 3 Comparison of Hamilton depression total and index scores in male and female schizophrenia patients with and without tardive dyskinesia

	Male				Female
	TD	Non-TD	Z	P value	TD	Non-TD	Z	P value
Anxiety somatization	2 (0, 3)	2 (0, 3)	1.091	0.275	2 (2, 4)	2 (1, 3.75)	1.803	0.071
Weight loss	0 (0, 0)	0 (0, 0)	0.91	0.927	0 (0, 0)	0 (0, 0)	0.718	0.473
Cognitive disturbances	1 (0, 2)	0 (0, 2)	1.729	0.084	2 (0, 3)	1 (0, 3.75)	1.544	0.123
Diurnal variation	0 (0, 0)	0 (0, 0)	3.259	0.001	0 (0, 1)	0 (0, 0)	4.906	< 0.001
Psychomotor retardation	1 (0, 3)	1 (0, 3)	0.732	0.464	3 (1, 4)	1 (0, 3)	2.496	0.013
Insomnia	0 (0, 1)	0 (0, 2)	0.420	0.674	0 (0, 1)	0 (0, 1)	0.971	0.332
Hopelessness	0 (0, 1.5)	0 (0, 1.75)	1.340	0.180	1 (0, 2.5)	0.5 (0, 2)	1.253	0.210
HAMD total score	6 (3, 11)	6 (2, 10)	0.670	0.503	10 (5, 14)	7 (2, 13)	2.034	0.042

TD: Tardive dyskinesia; HAMD: Hamilton Rating Scale for Depression.