Characteristics | All Subjects (N = 16800) | Missing | Intact Cognitive Status (N = 15421; 92%) | Impaired Cognitive Status (N = 1379; 8%) | p-value |
---|---|---|---|---|---|
 | N (%) | N | N (%) | N (%) |  |
Demographics | Â | Â | Â | Â | Â |
   Male | 6657 (40) | 0 | 6033 (39) | 624 (45) | <0.0001 |
   Education |  | 19 |  |  |  |
Less than High School | 2081 (12) | Â | 1719 (11) | 362 (26) | Â |
High School | 4404 (26) | Â | 3978 (26) | 426 (31) | <0.0001 |
Some College | 4525 (27) | Â | 4230 (27) | 305 (22) | Â |
College Diploma | 5761 (34) | Â | 5480 (36) | 281 (20) | Â |
   Age |  | 5 |  |  |  |
Less than 55 years | 2077 (12) | Â | 1982 (13) | 95 (7) | Â |
55 to 59 years | 2908 (17) | Â | 2756 (18) | 152 (11) | Â |
60 to 64 years | 3197 (19) | Â | 3009 (20) | 188 (14) | <0.0001 |
65 to 69 years | 3117 (19) | Â | 2870 (19) | 247 (18) | Â |
70 to 74 years | 2418 (14) | Â | 2172 (14) | 246 (18) | Â |
75 to 79 years | 1765 (11) | Â | 1536 (10) | 229 (17) | Â |
80 or more years | 1313 (8) | Â | 1091 (7) | 222 (16) | Â |
   Income |  | 2171 |  |  |  |
Less than $20,000/year | 3097 (21) | Â | 2698 (20) | 399 (35) | Â |
$20,000–35,000/year | 4017 (27) |  | 3633 (27) | 384 (33) | <0.0001 |
$35,000-$75,000/year | 4968 (34) | Â | 4678 (35) | 290 (25) | Â |
Over $75,000/year | 2547 (17) | Â | 2467 (18) | 80 (7) | Â |
   Region |  | 0 |  |  |  |
Non Belt/Buckle | 7850 (47) | Â | 7211 (47) | 639 (46) | 0.13 |
Stroke Belt | 6095 (36) | Â | 5567 (36) | 528 (38) | Â |
Stoke Buckle | 2855 (17) | Â | 2643 (17) | 212 (15) | Â |
   Population Density |  | 0 |  |  |  |
Urban | 13532 (81) | Â | 12365 (80) | 1167 (85) | Â |
Mixed | 1678 (10) | Â | 1571 (10) | 107 (8) | 0.0003 |
Rural | 1590 (9) | Â | 1485 (10) | 105 (8) | Â |
   Season |  | 0 |  |  |  |
Spring | 3610 (22) | Â | 3260 (21) | 350 (25) | <0.0001 |
Summer | 6439 (38) | Â | 5998 (39) | 441 (32) | Â |
Fall | 3410 (20) | Â | 3181 (21) | 229 (17) | Â |
Winter | 3341 (20) | Â | 2982 (19) | 359 (26) | Â |
Medical Factors | Â | Â | Â | Â | Â |
   BMI |  | 238 |  |  |  |
Underweight | 212 (1) | Â | 189 (1) | 23 (2) | Â |
Normal | 3973 (24) | Â | 3651 (24) | 322 (24) | 0.26 |
Overweight | 5970 (36) | Â | 5462 (36) | 508 (38) | Â |
Obese | 6407 (39) | Â | 5906 (39) | 501 (37) | Â |
   Diabetic | 3527 (22) | 623 | 3150 (21) | 377 (29) | <0.0001 |
   Hypertensive | 9854 (59) | 73 | 8943 (58) | 911 (67) | <0.0001 |
   High Cholesterol | 1740 (10) | 80 | 1595 (10) | 145 (11) | 0.85 |
   Depressed | 1877 (11) | 155 | 1624 (11) | 253 (18) | <0.0001 |
   PCS-12 (mean, stddev) | 46.1 (10.6) | 0 | 46.3 (10.5) | 44.0 (11.0) | <.0001 |
Lifestyle Factors | Â | Â | Â | Â | Â |
   Never Used Alcohol | 5129 (31) | 0 | 4606 (30) | 523 (40) | <0.0001 |
   No weekly exercise | 5948 (36) | 234 | 5359 (35) | 589 (44) | <0.0001 |
   Smoking |  | 67 |  |  |  |
Current | 2445 (15) | Â | 2227 (15) | 218 (16) | 0.18 |
Past | 6609 (40) | Â | 6055 (39) | 554 (40) | Â |
Never | 7679 (46) | Â | 7078 (46) | 601 (44) | Â |