Table 1.
Demographic and risk factor characteristics among participants with and without incident angina.
| All participants (n = 4511) | Incident AP (n = 532) | No AP (n = 3979) | p value | |
|---|---|---|---|---|
| Age, years | 72.6 ± 5.5 | 72.5 ± 5.0 | 72.6 ± 5.6 | 0.0499 |
| Sex | ||||
| Women | 2723 (60.4) | 318 (59.8) | 2405 (60.4) | 0.7674 |
| Men | 1788 (39.6) | 214 (40.2) | 1574 (39.6) | |
| Ethnicity | ||||
| White | 3795 (84.1) | 451 (84.8) | 3344 (84.0) | 0.7208 |
| African American | 689 (15.3) | 80 (15.0) | 609 (15.3) | |
| American Indian/Alaskan Native | 11 (0.2) | 0 (0) | 11 (0.3) | |
| Asian/Pacific Islander | 2 (0.1) | 0 (0) | 2 (0.1) | |
| Other | 14 (0.3) | 1 (0.2) | 13 (0.3) | |
| Body mass index, kg/m2 | 26.6 ± 4.7 | 27.3 ± 4.7 | 26.5 ± 4.7 | 0.0002 |
| Waist circumference, cm | 93.9 ± 13.2 | 96.0 ± 12.6 | 93.7 ± 13.3 | 0.0002 |
| Diabetes status | ||||
| No diabetes | 2116 (46.9) | 237 (44.6) | 1879 (47.2) | 0.4832 |
| Pre-diabetes | 1764 (39.1) | 215 (40.4) | 1549 (38.9) | |
| Diabetes mellitus | 631 (14.0) | 80 (15.0) | 551 (13.9) | |
| Systolic blood pressure, mm Hg | 136.4 ± 21.5 | 138.6 ± 21.7 | 136.1 ± 21.5 | 0.0129 |
| Diastolic blood pressure, mm Hg | 71.1 ± 11.3 | 71.2 ± 11.1 | 71.1 ± 11.3 | 0.8370 |
| Total cholesterol, mg/dL | 211.7 ± 38.7 | 216.5 ± 39.2 | 211.1 ± 38.6 | 0.0026 |
| HDL, mg/dL | 55.5 ± 15.7 | 53.8 ± 15.4 | 55.8 ± 15.7 | 0.0064 |
| LDL, mg/dL | 129.6 ± 35.6 | 133.5 ± 37.9 | 129.1 ± 35.2 | 0.0108 |
| Triglyceride, mg/dL | 132.9 ± 59.3 | 145.8 ± 64.3 | 131.1 ± 58.3 | <0.0001 |
| Aspirin use | 1323 (29.3) | 167 (31.4) | 1156 (29.1) | 0.2658 |
| Antihypertensive meds | 1819 (40.3) | 253 (47.6) | 1566 (39.4) | 0.0003 |
| Lipid meds | 204 (4.5) | 27 (5.1) | 177 (4.5) | 0.5134 |
| Smoking status | ||||
| Current smoker | 558 (12.4) | 58 (10.9) | 500 (12.6) | 0.2103 |
| Former smoker | 1818 (40.3) | 232 (43.6) | 1586 (39.9) | |
| Physical activity (blocks walked in the prior week) | 39.4 ± 54.1 | 36.5 ± 48.0 | 39.8 ± 54.9 | 0.1348 |
| Difficulty with IADLs (⩾1) | 1002 (22.2) | 144 (27.1) | 858 (21.6) | 0.0041 |
| Difficulty with ADLs (⩾1) | 196 (4.3) | 36 (6.8) | 160 (4.0) | 0.0035 |
| Modified mini-mental state (3MS) exam (maximum score of 100) | 89.9 ± 8.9 | 90.4 ± 8.1 | 89.9 ± 9.0 | 0.1287 |
| Exercise intensity level | ||||
| No exercise | 360 (8.0) | 43 (8.1) | 317 (8.0) | 0.9504 |
| Low intensity | 2154 (47.8) | 248 (46.6) | 1906 (47.9) | |
| Moderate intensity | 1567 (34.7) | 188 (35.3) | 1379 (34.6) | |
| High intensity | 430 (9.5) | 53 (10.0) | 377 (9.5) | |
| Education level | ||||
| <High school | 2531 (56.1) | 299 (56.2) | 2232 (56.1) | 0.5015 |
| Vocational school | 389 (8.6) | 51 (9.6) | 338 (8.5) | |
| College graduate | 1135 (25.2) | 137 (25.7) | 998 (25.1) | |
| Graduate or professional | 456 (10.1) | 45 (8.5) | 411 (10.3) | |
AP: angina pectoris; HDL: high density lipoprotein; LDL: low density lipoprotein; IADL: instrumental activities of daily living; ADL: activities of daily living.
Data presented as mean ± SD, n (%).