Table 2.
Characteristics of Participants at Baseline by Number of Chronic Conditions
| Number of Chronic Conditions | ||||||
|---|---|---|---|---|---|---|
| Characteristic | 0–1 (N=292) |
2 (N=306) |
3 (N=394) |
≥4 (N=1184) |
Total (N=2176) |
p value |
| Age, mean (±SD) | 77.3 (4.9) | 77.4 (4.8) | 78.0 (5.0) | 79.3 (5.2) | 78.5 (5.2) | <.001 |
| Sex, Male, n (%) | 147 (50.3) | 154 (50.3) | 194 (49.2) | 606 (51.2) | 1101 (50.6) | 0.93 |
| Education (years), mean (±SD) | 14.1 (3.0) | 14.5 (2.9) | 14.1 (2.9) | 13.9 (2.9) | 14.1 (2.9) | 0.013 |
| Smoking Status | ||||||
| Never, n (%) | 164 (56.2) | 170 (55.6) | 208 (52.8) | 573 (48.4) | 1115 (51.2) | 0.006 |
| Former, n (%) | 110 (37.7) | 130 (42.5) | 171 (43.4) | 568 (48.0) | 979 (45.0) | |
| Current, n (%) | 18 (6.2) | 6 (2.0) | 15 (3.8) | 43 (3.6) | 82 (3.8) | |
| Body mass Index ≥ 30 (obese),a n (%) | 43 (14.9) | 74 (24.2) | 95 (24.5) | 396 (34.1) | 608 (28.4) | <.001 |
| APOE ε24/ε34/ε44,b n (%) | 69 (23.7) | 69 (22.7) | 107 (27.3) | 312 (26.5) | 557 (25.7) | 0.40 |
Abbreviations: APOE, apolipoprotein E.
a
Number with missing information: 3 for 0–1 conditions, 7 for 3 conditions, 23 for ≥4 conditions.
b
Number with missing information: 1 for 0–1 conditions, 2 for 2 conditions, 2 for 3 conditions, 6 for ≥4 conditions.