Table 4.
Model | N | Q1 | Q2 | Q3 | Q4 | P value overall |
---|---|---|---|---|---|---|
1. Age < 64 | ||||||
A | 489 | Referent | 2.1 (1.1, 4.0), P = 0.03 | 3.0 (1.6, 5.8), P < 0.001 | 2.0 (1.0, 4.2), P = 0.06 | 0.008 |
B | 489 | Referent | 2.7 (1.3, 5.4), P = 0.006 | 4.0 (1.9, 8.5), P < 0.001 | 2.4 (1.1, 5.3), P = 0.03 | 0.004 |
C | 443 | Referent | 1.6 (0.8, 3.5), P = 0.19 | 2.7 (1.1, 6.3), P = 0.02 | 1.6 (0.7, 4.0), P = 0.30 | 0.16 |
D | 443 | Referent | 1.6 (0.7, 3.5), P = 0.28 | 2.8 (1.1, 6.8), P = 0.03 | 1.7 (0.7, 4.6), P = 0.27 | 0.17 |
2. Age 64+ | ||||||
A | 984 | Referent | 1.0 (0.6, 1.6), P = 0.87 | 1.0 (0.6, 1.7), P = 0.91 | 1.3 (0.8, 2.1), P = 0.29 | 0.49 |
B | 984 | Referent | 0.8 (0.5, 1.3), P = 0.37 | 0.8 (0.5, 1.3), P = 0.37 | 1.0 (0.6, 1.5), P = 0.85 | 0.67 |
C | 919 | Referent | 0.7 (0.4, 1.2), P = 0.22 | 0.9 (0.5, 1.4), P = 0.55 | 0.9 (0.5, 1.4), P = 0.56 | 0.67 |
D | 919 | Referent | 0.7 (0.4, 1.2), P = 0.16 | 0.8 (0.5, 1.3), P = 0.38 | 0.8 (0.5, 1.4), P = 0.49 | 0.58 |
Models: A, unadjusted; B, adjusted for age, sex, race, age × race; C, model B + Framingham stroke risk factors (diabetes, systolic blood pressure, use of any antihypertensive medications, left ventricular hypertrophy, history of coronary artery disease, atrial fibrillation); D, model C + income, education. N, total number of participants in the analysis; Q, quartile.