Total
| |
5245 (20%)
|
20773 (80%)
| |
Outcome Variables
| | | | |
SBP mmHg (SD)
|
0
|
127.8 (18.8)
|
128.2 (16.7)
|
0.20
|
DBP mmHg (SD)
|
0
|
77.1 (22.8)
|
76.8 (9.6)
|
0.43
|
Meteorological Variables
| | | | |
Same day maximum temp, lower by 20°F (mean, SD)
|
0
|
70.4 (17.0)
|
70.6 (16.8)
|
0.52
|
Same day minimum temp, lower by 20°F (mean, SD)
|
0
|
55.2 (17.1)
|
55.2 (16.8)
|
0.76
|
Maximum temp variability, by SD increase (mean, SD)
|
0
|
2.0 (1.0)
|
2.0 (1.0)
|
0.008
|
Minimum temp variability, by SD increase (mean, SD)
|
0
|
2.2 (1.0)
|
2.1 (1.0)
|
<.0001
|
Season
| | | | |
Summer
| |
1450 (28%)
|
5872 (28%)
| |
Fall
|
0
|
1400 (27%)
|
5721 (28%)
|
0.003
|
Winter
| |
1289 (25%)
|
4601 (22%)
| |
Spring
| |
1106 (21%)
|
4579 (22%)
| |
Demographics
| | | | |
Age, years (mean, SD)
| |
65.3 (9.4)
|
65.7 (9.3)
|
0.004
|
Male
|
5
|
2251 (43%)
|
9481 (46%)
|
0.0005
|
Black Race
|
8
|
1926 (37%)
|
3311 (43%)
|
<.0001
|
Region
| | | | |
Stroke Buckle
| |
1195 (23%)
|
3605 (17%)
| |
Stroke Belt
|
0
|
2010 (38%)
|
7343 (35%)
|
<.0001
|
Non-Belt
| |
2040 (39%)
|
9825 (47%)
| |
Population Density
| | | | |
Urban
| |
2916 (56%)
|
1952 (9%)
| |
Mixed
|
0
|
418 (8%)
|
2071 (10%)
|
<.0001
|
Rural
| |
1911 (36%)
|
16750 (81%)
| |
SES Factors
| | | | |
Education < = 8th Grade
|
24
|
726 (14%)
|
2686 (13%)
|
0.06
|
Income
| | | | |
< $20 k
| |
1069 (20%)
|
3957 (19%)
| |
$20 k-$35 k
|
0
|
1318 (25%)
|
5112 (25%)
| |
$35 k-$75 k
| |
1472 (28%)
|
6186 (30%)
|
0.0008
|
>= $75 k
| |
721 (14%)
|
3135 (15%)
| |
refused
| |
665 (13%)
|
2483 (12%)
| |
Health Behaviors
| | | | |
Smoking Status
| | | | |
Never
| |
2376 (46%)
|
9170 (44%)
| |
Current
|
97
|
764 (15%)
|
3045 (15%)
|
0.01
|
Past
| |
2008 (39%)
|
8558 (41%)
| |
Alcohol use (never)
|
0
|
1704 (32%)
|
6107 (29%)
|
<.0001
|
Co-morbidities
| | | | |
BMI
| | | | |
Underweight/Normal
|
362
|
1210 (25%)
|
5183 (25%)
| |
Overweight
| |
1798 (37%)
|
7677 (40%)
|
0.92
|
Obese
| |
1875 (38%)
|
7913 (38%)
| |
Hyperlipidemia
|
19
|
4085 (78%)
|
18848 (91%)
|
<.0001
|
Diabetes
|
895
|
980 (23%)
|
4565 (22%)
|
0.42
|