Table 1.

Socio-demographic features of women with PPD

Factors	EPDS < 10 (592)		EPDS ≥ 10 (253)		χ2	P
	n	%	n	%
Age					0.153	0.985
≤ 24	95	16.0	41	16.2
25 ~ 29	248	41.9	107	42.3
30 ~ 34	161	27.2	70	27.7
≥ 35	88	14.9	35	13.8
Educational level					0.054	0.973
Junior high school or less	121	20.4	50	19.8
Senior high school	203	34.3	88	34.8
College or more	268	45.3	115	45.4
Employment					0.264	0.612
Yes	436	73.6	182	71.9
No	156	26.4	71	28.1
Annual household income					0.240	0.971
$10,000 ~ 14,999	141	23.8	58	22.9
$15,000 ~ 19,999	278	47.0	121	47.8
$ 20,000 ~ 24,999	122	20.6	54	21.3
≥ $25,000	51	8.6	20	7.9
Household registration in Guangzhou					4.597	0.035
Yes	298	50.3	107	42.3
No	294	49.7	146	57.7