Table 1.

Demographic characteristics of surveyed newborn parents among three groups.

Items	Education Plus Free CSS		Education Only		Control		χ2	p-Value
	N	R (%)	N	R (%)	N	R (%)
Gender							2.8596	0.2394
Male	24	46.15	13	29.55	13	36.11
Female	28	53.84	31	70.45	23	63.89
Place of residence							2.5385	0.281
Shantou	34	65.38	33	75	21	58.33
Other	18	34.62	11	25	15	41.67
Newborn father’s degree of education							2.8357	0.5857 *
Primary school or below	1	1.92	0	0	1	2.78
High school	21	40.38	24	54.55	17	47.22
University or above	30	57.69	20	45.45	18	50
Newborn mother’s degree of education							1.2889	0.8633 *
Primary school or below	2	3.85	2	4.55	1	2.78
High school	22	42.31	23	52.27	18	50
University or above	28	53.84	19	43.18	17	47.22
Household per capita income							0.9955	0.6079
<¥4,000	24	46.15	24	54.55	16	44.44
≥¥4,000	28	53.85	20	45.45	20	55.56

* Fisher’s exact probability method.