Table 1.
Exam 1 characteristics by exam 1 absolute inter-arm systolic blood pressure difference (sIAD) category.
| All | 0–4 mmHg | 5–9 mmHg | 10–14 mmHg | 15–19 mmHg | 20–24 mmHg | ≥25 mmHg | |
|---|---|---|---|---|---|---|---|
| Sample size | 6609 | 3962 | 1567 | 787 | 154 | 95 | 44 |
| Exam 1 characteristic | |||||||
| Age (yr) | 62.1±10.2 | 61.5±10.3 | 62.5±10.2 | 63.3±9.8 | 63.8±10.1 | 64.2±9.3 | 66.2±9.2 |
| Female (%) | 3465 (52.4) | 2048 (51.7) | 816 (52.1) | 428 (54.4) | 85 (55.2) | 63 (66.3) | 25 (56.8) |
| Race/Ethnicity (%) | |||||||
| Black | 1814 (27.4) | 1000 (25.2) | 430 (27.4) | 252 (32) | 68 (44.2) | 50 (52.6) | 14 (31.8) |
| Chinese | 793 (12) | 583 (14.7) | 158 (10.1) | 44 (5.6) | 6 (3.9) | 2 (2.1) | 0 (0) |
| Hispanic | 1471 (22.3) | 983 (24.8) | 329 (21) | 132 (16.8) | 13 (8.4) | 12 (12.6) | 2 (4.5) |
| White | 2531 (38.3) | 1396 (35.2) | 650 (41.5) | 359 (45.6) | 67 (43.5) | 31 (32.6) | 28 (63.6) |
| Clinic (%) | |||||||
| Columbia | 1075 (16.3) | 649 (16.4) | 243 (15.5) | 144 (18.3) | 25 (16.2) | 11 (11.6) | 3 (6.8) |
| JHU | 1020 (15.4) | 520 (13.1) | 280 (17.9) | 148 (18.8) | 31 (20.1) | 30 (31.6) | 11 (25) |
| Minnesota | 1035 (15.7) | 652 (16.5) | 271 (17.3) | 91 (11.6) | 13 (8.4) | 7 (7.4) | 1 (2.3) |
| NWU | 1134 (17.2) | 641 (16.2) | 281 (17.9) | 161 (20.5) | 27 (17.5) | 18 (18.9) | 6 (13.6) |
| UCLA | 1302 (19.7) | 1008 (25.4) | 257 (16.4) | 33 (4.2) | 1 (0.6) | 2 (2.1) | 1 (2.3) |
| WFU | 1043 (15.8) | 492 (12.4) | 235 (15) | 210 (26.7) | 57 (37) | 27 (28.4) | 22 (50) |
| Height (cm) | 166.4±10 | 166.3±10.1 | 166.5±9.7 | 167.1±10.1 | 167.2±10.6 | 164±9.5 | 167.9±9.8 |
| Heart Rate (Beats/Min) | 63.1±9.6 | 63.1±9.6 | 63.1±9.7 | 63.5±9.4 | 62.2±9.4 | 63±9.3 | 61±12.8 |
| Seated Systolic Blood Pressure (mmHg) | 126.6±21.5 | 125±21.1 | 127.4±21.6 | 130.3±21.5 | 132.9±23.7 | 134.6±19.9 | 134.3±26.1 |
| Seated Diastolic Blood Pressure (mmHg) | 72±10.3 | 71.7±10 | 72±10.2 | 72.8±10.9 | 73±11.6 | 72.8±12.5 | 71.3±10.2 |
| Antihypertensive use (%) | 2441 (36.9) | 1357 (34.3) | 590 (37.7) | 348 (44.2) | 75 (48.7) | 50 (52.6) | 21 (47.7) |
| Hypertension (140/90/Rx) (%) | 3184 (48.2) | 1762 (44.5) | 780 (49.8) | 450 (57.2) | 98 (63.6) | 65 (68.4) | 29 (65.9) |
| Body Mass Index (kg/m2) | 28.3±5.5 | 28±5.3 | 28.6±5.6 | 28.9±5.6 | 29.5±5.3 | 31.5±6.4 | 28.3±5.8 |
| Total Cholesterol (mg/dL) | 194.2±35.7 | 193.5±35.6 | 195.9±36.5 | 194±34.9 | 198.5±37.5 | 192.9±33.3 | 184.1±29.6 |
| HDL Cholesterol (mg/dL) | 51±14.8 | 50.9±14.8 | 51±14.8 | 51.3±15.3 | 52±14 | 50.7±12.1 | 48.8±13.3 |
| Triglycerides (mg/dL) | 131.5±89 | 131.7±92.4 | 133.8±88.4 | 127.5±77.4 | 128±80.3 | 127.7±64.4 | 125.2±64.9 |
| Statin Use (%) | 968 (14.6) | 550 (13.9) | 225 (14.4) | 129 (16.4) | 28 (18.2) | 23 (24.2) | 13 (29.5) |
| Cigarette smoking (%) | |||||||
| Former | 2421 (36.6) | 1426 (36) | 583 (37.2) | 298 (37.9) | 63 (40.9) | 32 (33.7) | 19 (43.2) |
| Current | 863 (13.1) | 499 (12.6) | 212 (13.5) | 110 (14) | 22 (14.3) | 14 (14.7) | 6 (13.6) |
| Never | 3325 (50.3) | 2037 (51.4) | 772 (49.3) | 379 (48.2) | 69 (44.8) | 49 (51.6) | 19 (43.2) |
| Diabetes (%) | 825 (12.5) | 471 (11.9) | 204 (13) | 100 (12.7) | 28 (18.2) | 15 (15.8) | 7 (15.9) |
Column percentages are given.