All N=21024* | Memory impaired N=4462† | |
---|---|---|
Males, n (%) | 10353 (49.2) | 2040 (19.7) |
Females, n (%) | 10671 (50.8) | 2422 (22.7) |
Age, median/mean (SD) | 60.5/62.3 (9.0) | 59.9/62.3 (9.4) |
Age groups (year) | ||
50–54 | 5381 (25.6) | 1185 (22.0) |
55–59 | 4831 (23.0) | 1055 (21.8) |
60–64 | 3715 (17.7) | 740 (19.9) |
65–69 | 2930 (13.9) | 535 (18.3) |
70–74 | 1979 (9.4) | 419 (21.2) |
75–79 | 1251 (6.0) | 269 (21.5) |
80+ years | 937 (4.5) | 259 (27.6) |
Regular exercise, n (%) | 6774 (32.2) | 1306 (19.3) |
BMI, n (%) | ||
Normal weight | 5100 (24.3) | 1051 (20.6) |
Overweight | 8194 (39.0) | 1612 (19.7) |
Obese class I | 4789 (22.8) | 1028 (21.5) |
Obese class II | 1805 (8.6) | 457 (25.3) |
Obese class III | 1136 (5.4) | 314 (27.6) |
Household income, $/year n (%) | ||
≤10 000 | 1486 (7.1) | 448 (30.2) |
10 001–20 000 | 3059 (14.6) | 757 (24.8) |
20 001–30 000 | 3281 (15.6) | 751 (22.9) |
30 001–40 000 | 2936 (14.0) | 572 (19.5) |
40 001–50 000 | 2135 (10.2) | 422 (19.8) |
50 001–60 000 | 1815 (8.6) | 359 (19.8) |
60 001–70 000 | 1367 (6.5) | 268 (19.6) |
>70 000 | 2882 (13.7) | 480 (16.7) |
Undetermined | 2063 (9.8) | 405 (19.6) |
Education, n (%) | ||
<12 years | 3310 (15.7) | 845 (25.5) |
HS diploma or GED | 9704 (46.2) | 1979 (20.4) |
Some college | 5612 (26.7) | 1204 (21.5) |
Bachelor degree or higher | 2398 (11.4) | 434 (18.1) |
Race, n (%) | ||
White | 20514 (97.6) | 4349 (21.2) |
Black | 213 (1.0) | 38 (17.8) |
Other | 297 (1.4) | 75 (25.3) |
Alcohol consumption, n (%) | ||
None | 13276 (63.2) | 2848 (21.5) |
<1 drink/month | 2589 (12.3) | 597 (23.1) |
<1 drink/week | 1530 (7.3) | 309 (20.2) |
Few drinks/week | 2087 (9.9) | 397 (19.0) |
1–3 drinks/day | 805 (3.8) | 142 (17.6) |
>3 drinks/day | 310 (1.5) | 66 (21.3) |
Undetermined | 427 (2.0) | 103 (24.1) |
Smoking status, n (%) | ||
Never smoker | 9804 (46.6) | 1906 (19.4) |
Former smoker | 7555 (35.8) | 1693 (22.5) |
Current smoker <10 cigarette/day | 1212 (5.8) | 256 (21.1) |
Current smoker 10–19 cigarette/day | 1260 (6.0) | 310 (24.6) |
Current smoker 20+ cigarette/day | 1213 (5.8) | 297 (24.5) |
Diabetes, n (%) | 3443 (16.4) | 875 (25.4) |
Thiazolidinedion use∼ | 809 (23.5) | 202 (25.0) |
Other medications∼ | 1244 (36.1) | 321 (25.8) |
No medication∼ | 1390 (40.4) | 352 (25.3) |
*Percentages refer to the proportion with respect to the entire population.
†Percentages reflect the proportion of memory impaired in each category; percentages among patients with diabetes only.
BMI, body mass index; GED, general educational development.