Table 1.

Comparison between the 2019 data and Chinese norms in 1986.

Subscales	1986 (n = 1,388)		2019 (n = 7,489)		Z
	M	SD	M	SD
Somatization	1.37	0.48	1.961	0.639	−39.83***
Obsessive compulsive	1.62	0.58	2.396	0.657	−44.80***
Interpersonal sensitivity	1.65	0.51	2.105	0.687	−28.74***
Depression	1.5	0.59	2.018	0.639	−29.65***
Anxiety	1.39	0.43	1.942	0.607	−40.87***
Hostility	1.48	0.56	2.044	0.661	−33.47***
Phobic anxiety	1.23	0.41	1.514	0.544	−22.38***
Paranoid ideation	1.43	0.57	1.936	0.653	−29.65***
Psychoticism	1.29	0.42	1.744	0.594	−34.41***

^*p < 0.05;

^**p < 0.01;

^***p < 0.001;

notably, the same applies below.