Table 1.

Sociodemographic characteristics and medical condition of the sample

Variable	Total (N=70)	No PTSD (n=38)	PTSD (n=30)	Chi-square or t	P
Age (years), mean (S.D)	38.5 (12.3)	35.0 (13.4)	42.9 (9.7)	2.729	.0081⁎
Gender, n (%)
Male	23 (32.9)	17 (44.7)	6 (20.0)
Female	47 (67.1)	21 (55.3)	24 (80.0)	4.583	.0323⁎
Marital status, n (%)
Single	17 (24.3)	16 (42.1)	1 ( 3.3)
Married	47 (67.1)	21 (55.3)	24 (80.0)
Divorced	3 ( 4.3)	1 ( 2.6)	2 ( 6.7)
Widowed	3 ( 4.3)	0 ( 0.0)	3 (10.0)	16.050	.0011⁎
Occupation, n (%)
Professional/managerial	50 (71.5)	27 (71.1)	22 (73.3)
Laborer	20 (28.5)	11 (28.9)	8 (26.7)	0.043	.8351
Educational years in school, mean (S.D)	13.5 (2.7)	13.8 (2.9)	13.1 (2.4)	1.098	.2763
Employment status before SARS, n (%)
Paid work	56 (80.0)	27 (71.1)	27 (90.0)
No paid work	14 (20.0)	11 (28.9)	3 (10.0)		.0729
Persons in home, mean (S.D)	3.0 (0.9)	3.1 (1.0)	2.7 (0.7)	1.833	.0713
Number of close relatives who suffered from SARS, mean (S.D.)	1.3 (2.7)	0.5 (1.6)	2.3 (3.5)	2.689	.0106⁎
Number of close relatives who died from SARS, mean (S.D.)	0.4 (1.0)	0.1 (0.5)	0.7 (1.3)	2.409	.0211⁎
Positive history of psychiatric disease, n (%)	1 (1.4)	0 (0 )	1 (3.3%)		.4410
Positive family history of psychiatric disease, n (%)	2 (2.8)	1 (2.6)	1 (3.3%)		1.0000
Femoral head necrosis, n (%)	(n=61)	(n=34)	(n=27)
Yes	12 (17.1)	3 ( 7.9)	9 (30.0)
No	49 (70.0)	31 (81.6)	18 (60.0)		.0238⁎
Chest CT, n (%)	(n=54)	(n=29)	(n=24)
0	23 (42.6)	17 (58.6)	5 (20.8)
1	11 (20.4)	3 (10.3)	8 (33.3)
2	8 (14.8)	2 (6.9)	6 (25.0)
3	9 (16.7)	6 (20.7)	3 (12.5)
4	3 ( 5.6)	1 (3.5)	2 (8.3)	3.539	.0600

^⁎Significant difference between no-PTSD and PTSD groups (P<.05).