Table 4 Association of covariates and stroke risk in two NHANES databases

Sex

Female

1(Ref)

1(Ref)

Male

1.1 (0.9, 1.3)

0.521

1.2 (0.9, 1.4)

0.159

Age

 < 60

1(Ref)

1(Ref)

 ≥ 60

4.6 (3.8, 5.7)

 < 0.001

4.6(3.5,5.9)

 < 0.001

Race

Mexcian American

1(Ref)

1(Ref)

other Hispanic

1.6 (1.0, 2.7)

0.074

1.7 (0.9, 3.0)

0.094

Non-Hispanic White

2.7 (1.8, 4.1)

 < 0.001

1.6 (0.9, 2.6)

0.084

Non-Hispanic Black

2.8 (1.9, 4.3)

 < 0.001

2.0 (1.2, 3.6)

0.014

Other Race

1.3 (0.8, 2.1)

0.298

1.6 (0.9, 2.9)

0.109

Education

Under high school

1(Ref)

1(Ref)

High school

1.0 (0.8, 1.3)

0.92

0.6 (0.4, 0.8)

 < 0.001

Above high school

0.5 (0.4, 0.7)

 < 0.001

0.3 (0.3, 0.4)

 < 0.001

Marital status

Nonmarried

1(Ref)

1(Ref)

Married

2.4 (1.7, 3.3)

 < 0.001

2.2 (1.6, 3.1)

 < 0.001

Poverty level

Low

1(Ref)

1(Ref)

Middle

0.8 (0.6, 1.1)

0.263

1.0 (0.7, 1.4)

0.937

High

0.7 (0.5, 0.8)

 < 0.001

0.6 (0.4, 0.7)

 < 0.001

Hypertension

No

1(Ref)

1(Ref)

Yes

5.5 (4.5, 6.9)

 < 0.001

4.4 (3.5, 5.5)

 < 0.001

Diabetes

No

1(Ref)

1(Ref)

Yes

2.2 (1.8, 2.7)

 < 0.001

2.5 (2.0, 3.1)

 < 0.001

Dyslipidemia

No

1(Ref)

1(Ref)

Yes

3.2 (2.7, 3.9)

 < 0.001

3.5 (2.8, 4.5)

 < 0.001

Drinking

No

1(Ref)

1(Ref)

Yes

0.5 (0.4, 0.6)

 < 0.001

0.5 (0.4, 0.7)

 < 0.001

Smoking

No

1(Ref)

1(Ref)

Yes

0.9 (0.7, 1.1)

0.254

0.7 (0.5, 1.0)

0.081

Sleeptime, hours

 ≤ 7

1(Ref)

1(Ref)

7–9

0.8 (0.6, 1.0)

0.045

0.7 (0.6, 1.0)

0.039

 > 9

1.6 (1.3, 2.0)

 < 0.001

2.0 (1.6, 2.6)

 < 0.001