Table 4.

Association between uranium and cerebrovascular diseases mortality in different subgroups.

Variables	n (%)	HR (95%CI)	P	P for interaction
Gender				.048
Male	2153 (49.93)	0.04 (0.00–2.35)	.121
Female	2159 (50.07)	14.95 (0.29–763.24)	.178
Race and ethnicity				.702
Mexican American	688 (15.96)	0.73 (0.00–4715.21)	.944
Other Hispanic	427 (9.90)	4.09 (0.00–15473385.48)	.855
Non-Hispanic White	2005 (46.50)	1.95 (0.04–108.48)	.744
Non-Hispanic Black	844 (19.57)	0.01 (0.00–4.14)	.13
Other race – including multi-racial	348 (8.07)	3.38 (0.00–120632.34)	.82
Educational background				.213
<9th grade	412 (9.55)	24.28 (0.26–2294.35)	.169
9–11th grade (includes 12th grade with no diploma)	618 (14.33)	0.00 (0.01–0.90)	.047
High school graduate/GED or equivalent	979 (22.70)	0.80 (0.01–123.29)	.932
Some college or AA degree	1275 (29.57)	0.06 (0.00–73.98)	.437
College graduate or above	1028 (23.84)	0.61 (0.00–758.38)	.891
Marital status				.425
Married	2294 (53.20)	2.88 (0.08–110.83)	.569
Widowed	306 (7.10)	0.05 (0.00–31.82)	.361
Divorced	457 (10.60)	0.00 (0.01–0.82)	.047
Separated	143 (3.32)
Never married	749 (17.37)	0.42 (0.00–39919.64)	.883
Living with partner	363 (8.42)	20.94 (0.00–28749095.07)	.673
Drinking				.5
No	1201 (27.85)	1.78 (0.02–162.09)	.802
Yes	3111 (72.15)	0.23 (0.01–10.28)	.448
Hypertension				.232
No	2830 (65.63)	0.06 (0.00–8.44)	.27
Yes	1482 (34.37)	2.79 (0.07–105.30)	.579
Diabetes				.304
No	3814 (88.45)	0.26 (0.01–7.27)	.427
Yes	498 (11.55)	7.74 (0.06–980.16)	.407
Smoking				.462
No	2356 (54.64)	1.61 (0.03–94.07)	.818
Yes	1956 (45.36)	0.17 (0.00–13.27)	.423