Table 1 Baseline characteristics of participants with or without chest pain
Characteristic | Overall (n = 8335) | No pain (n = 5991) | Pain (n = 2344) | P-value |
|---|---|---|---|---|
Age, years | 57 (12) | 57 (12) | 57 (12) | 0.2 |
Sex | Â | Â | Â | 0.8 |
 male | 4,170 (48%) | 3,001 (48%) | 1,169 (48%) |  |
 female | 4,165 (52%) | 2,990 (52%) | 1,175 (52%) |  |
Race | Â | Â | Â | 0.14 |
 Mexican American | 1,325 (5.3%) | 995 (5.6%) | 330 (4.7%) |  |
 Other Hispanic | 553 (3.4%) | 422 (3.3%) | 131 (3.6%) |  |
 Non-Hispanic White | 4,431 (76%) | 3,125 (76%) | 1,306 (76%) |  |
 Non-Hispanic Black | 1,562 (9.8%) | 1,102 (9.3%) | 460 (11%) |  |
 Other race | 464 (5.4%) | 347 (5.5%) | 117 (5.1%) |  |
Education |  |  |  | < 0.001 |
 Under high school | 1,250 (7.4%) | 876 (6.7%) | 374 (9.2%) |  |
 High school or equivalent | 3,178 (35%) | 2,264 (34%) | 914 (38%) |  |
 Above high school | 3,907 (57%) | 2,851 (59%) | 1,056 (53%) |  |
Family PIR | 3.22 (1.59) | 3.30 (1.57) | 3.00 (1.63) | < 0.001 |
BMI, kg/m2 | 29 (6) | 29 (6) | 30 (6) | < 0.001 |
Smoking status |  |  |  | < 0.001 |
 Current smoker | 1,595 (19%) | 1,054 (18%) | 541 (24%) |  |
 Former smoker | 2,722 (32%) | 1,910 (31%) | 812 (34%) |  |
 Never smoker | 4,018 (49%) | 3,027 (51%) | 991 (42%) |  |
Total cholesterol, mg/dL | 204 (42) | 205 (41) | 201 (44) | < 0.001 |
Triglyceride, mg/dL | 148 (136) | 145 (141) | 158 (124) | 0.003 |
HbA1C, % | 5.70 (0.92) | 5.68 (0.87) | 5.77 (1.05) | < 0.001 |
Fasting Glucose, mg/dL | 108 (31) | 107 (29) | 110 (35) | 0.001 |
Insulin, uU/mL | 12 (12) | 12 (10) | 13 (15) | < 0.001 |
TyG index | 8.78 (0.64) | 8.75 (0.63) | 8.85 (0.66) | < 0.001 |
TyG index group |  |  |  | < 0.001 |
 Q1 | 2,084 (27%) | 1,549 (28%) | 535 (23%) |  |
 Q2 | 2,084 (26%) | 1,526 (26%) | 558 (25%) |  |
 Q3 | 2,083 (25%) | 1,508 (25%) | 575 (25%) |  |
 Q4 | 2,084 (23%) | 1,408 (21%) | 676 (27%) |  |
CVD | 1,339 (13%) | 588 (7.4%) | 751 (27%) | < 0.001 |
Heart failure | 380 (3.5%) | 143 (1.8%) | 237 (8.1%) | < 0.001 |
CHD | 529 (5.4%) | 201 (2.7%) | 328 (13%) | < 0.001 |
angina | 363 (4.0%) | 76 (1.1%) | 287 (11%) | < 0.001 |
Heart attack | 550 (5.4%) | 173 (2.2%) | 377 (14%) | < 0.001 |
Stroke | 439 (4.0%) | 242 (3.0%) | 197 (6.5%) | < 0.001 |
Hypertension | 1,669 (16%) | 1,208 (16%) | 461 (16%) | 0.8 |
Diabetes mellitus | 1,899 (17%) | 1,289 (15%) | 610 (19%) | < 0.001 |
Antihyperlipidemic agents | 55 (0.5%) | 32 (0.4%) | 23 (0.7%) | 0.2 |
Antidiabetic agents | 193 (1.7%) | 132 (1.7%) | 61 (1.7%) | > 0.9 |