Table 2.
Baseline Characteristics (Demographics and Complexity Factors) in Adults Aged ≥ 45years, Overall and By Coronary Heart Disease Status: NHANES 1999–2004.
| Characteristics | Overall sample (n=8654) | Subjects without any CHD (n=7306) | Subjects with CHD (n=1259) | P Value |
|---|---|---|---|---|
|
| ||||
| Demographic Variables | ||||
|
| ||||
| Age, mean (SD) y | 60.3 (0.2) | 59.3 (0.2) | 67.6 (0.6) | <.0001 |
| Age categories: | ||||
| 45–64, N (%) | 3925 (69.4) | 355 (39.4) | ||
| 65–74, N (%) | 1688 (17.4) | 1693 (28.7) | ||
| 75+, N (%) | 366 (13.2) | 538 (31.8) | ||
|
| ||||
| Gender | ||||
|
| ||||
| Male, N. (%) | 4212 (46.1) | 3444 (44.8) | 731 (56.1) | <.0001 |
|
| ||||
| Female, N. (%) | 4442 (53.9) | 3862 (55.2) | 528 (43.9) | |
|
| ||||
| Race | ||||
|
| ||||
| White, N. (%) | 4846 (80.6) | 3981 (80.0) | 829 (85.6) | <.0001 |
|
| ||||
| Black, N. (%) | 1544 (10.0) | 1352 (10.2) | 172 (8.2) | |
|
| ||||
| Hispanic, N. (%) | 2031 (9.4) | 1781 (9.8) | 224 (6.2) | |
|
| ||||
| Education (at least High School), N. (%) | 5350 (76.7) | 4583 (78.1) | 727 (66.9) | <.0001 |
|
| ||||
| Has Health Insurance, N. (%) | 7578 (90.6) | 6328 (90.1) | 1175 (94.7) | .0001 |
|
| ||||
| Household Income less than 20,000, N. (%) | 2368 (21.6) | 1888 (19.8) | 449 (33.3) | <.0001 |
|
| ||||
| Disease Variables (in descending overall prevalence) | ||||
|
| ||||
| Arthritis, N. (%) | 3517 (37.3) | 2767 (34.6) | 703 (56.7) | <.001 |
|
| ||||
| CLRT, N. (%) | 1254 (15.4) | 950 (14.0) | 287 (25.5) | <.001 |
|
| ||||
| Diabetes, N. (%) | 1443 (12.5) | 1063 (10.6) | 347 (24.8) | <.0001 |
|
| ||||
| Stroke, N. (%) | 568 (4.5) | 357 (3.2) | 199 (13.8) | <.0001 |
|
| ||||
| CHF, N. (%) | 530 (4.5) | 173 (1.7) | 343 (29.0) | <.0001 |
|
| ||||
| Clinical Factors (in descending overall prevalence) | ||||
|
| ||||
| Urinary Incontinence, N. (%) | 2127 (42.8) | 1698 (41.8) | 394 (48.5) | .0030 |
|
| ||||
| Dizziness or Falls, N. (%) | 2034 (20.9) | 1552 (18.8) | 447 (34.8) | <.0001 |
|
| ||||
| Use of > 4 meds, N. (%) | 1961 (20.8) | 1258 (16.0) | 671 (54.5) | <.0001 |
|
| ||||
| Low GFR, N. (%) | 915 (10.0) | 626 (8.0) | 278 (24.4) | <.0001 |
|
| ||||
| Anemia, N. (%) | 636 (5.9) | 487 (5.2) | 137 (10.1) | <.0001 |
|
| ||||
| High ALT, N. (%) | 503 (7.3) | 451 (7.5) | 49 (5.9) | 0.1585 |
|
| ||||
| Warfarin Use, N. (%) | 300 (2.7) | 152 (1.6) | 138 (10.2) | <.0001 |
|
| ||||
| Health Status Factors (in descending overall prevalence) | ||||
|
| ||||
| Cognitive Impairment, N. (%) | 813 (23.9) | 619 (22.2) | 178 (29.9) | 0.0022 |
|
| ||||
| Mobility Difficulty, N. (%) | 2035 (20.0) | 1561 (17.5) | 447 (40.4) | <.0001 |
|
| ||||
| Frequent Mental Distress, N. (%) | 504 (10.4) | 401 (10.0) | 98 (14.3) | 0.0022 |
|
| ||||
| Visual Impairment, N. (%) | 989 (10.3) | 751 (9.0) | 215 (16.7) | <.0001 |
|
| ||||
| Hearing Impairment, N. (%) | 1134 (9.8) | 848 (8.6) | 265 (17.9) | <.0001 |
Footnote:
CHD: coronary heart disease
CLRT: chronic lower respiratory tract disease
CHF: congestive heart failure
GFR: glomerular filtration rate