Table 1.

Socio-demographic and bereavement-related data of Shidu parents and comparison between PGD-positive group and PGD-negative group.

	N	%	PGD-positive group		PGD-negative group		χ2	p-value
			n	%	n	%
Total	149	100.0	33	22.1	116	77.9
Gender of participants
Female	90	60.4	25	27.8	65	72.2	4.18	0.041*
Male	59	39.6	8	13.6	51	86.4
Age of participants
50–62	73	49.0	19	26.0	54	74.0	1.25	0.264
63–75	76	51.0	14	18.4	62	81.6
Marital status
Married	124	83.2	30	24.2	94	75.8	2.19	0.534
Divorced	4	2.7	0	0.0	4	100.0
Remarried	7	4.7	1	14.3	6	85.7
Widowed	14	9.4	2	14.3	12	85.7
Educational Level
Lower than high school	74	49.7	18	24.3	56	75.7	1.99	0.371
High school	55	36.9	13	23.6	42	76.4
Over than high school	20	13.4	2	10.0	18	90.0
Religion Belief
None	122	81.9	27	22.1	95	77.9	0.55	0.759
Buddhism	21	14.1	4	19.0	17	81.0
Other	6	4.0	2	33.3	4	66.7
Subjective assessment of family economic status
Wealthy and extremely wealthy	29	20.0	3	10.3	26	89.7	7.42	0.024*
Moderate	101	69.7	23	22.8	78	77.2
Poor and extremely poverty	15	10.3	7	46.7	8	53.3
Gender of deceased child
Female	62	41.6	11	17.7	51	82.3	1.20	0.274
Male	87	58.4	22	25.3	65	74.7
Cause of death
Disease	107	71.8	23	21.5	84	78.5	0.09	0.760
Accident	42	28.2	10	23.8	32	76.2
	M	SD	M	SD	M	SD	T	p-value
Age of deceased child	22.24	8.30	24.55	6.05	21.58	8.75	−1.82	0.070
Time since loss(years)	11.18	7.04	7.59	4.04	12.20	7.38	4.69	0.000***
Age of parent when losing child	51.07	8.09	53.65	6.82	50.34	8.29	−2.10	0.037*
Age of parent at present	62.25	4.88	61.24	4.74	62.53	4.90	1.35	0.180

*p-value < 0.05, ***p-value < 0.001.