Table 1. Baseline demographics of the Northern Manhattan Study.
| Socio-demographic characteristics | Entire cohort (n = 3298) | No leisure time physical activity (n = 1345) | Any leisure time physical activity (n = 1953) | p-value difference | ||
|---|---|---|---|---|---|---|
| Mean (SD) or n (%) | ||||||
| Age | 69.2 (10.3) years | 69.3 (10.3) years | 69.3 (10.3) years | 0.2 | ||
| Women | 2071 (62.8 %) | 897 (66.7%) | 1174(60.1%) | 0.001 | ||
| Men | 1227 (37.2%) | 448 (33.3%) | 779 (39.9%) | reference | ||
| Race-ethnicity | Hispanic | 1728(52.4%) | 835 (62.1%) | 893 (45.7%) | <0.0001 | |
| Non-Hispanic Black | 803 (24.3 %) | 269 (20%) | 534 (27.3%) | 0.3 | ||
| Non-Hispanic White | 690 (20.9 %) | 213 (15.8%) | 477 (24.4%) | reference | ||
| Less than high school | 1786(54.2%) | 840 (62.5%) | 1007(51.6%) | <0.0001 | ||
| education | ||||||
| Medicaid or no insurance | 1435 (43.8 %) | 687(51.3%) | 748 (38.6%) | <0.0001 | ||
| Medical Comorbidities | ||||||
| Tobacco use | Never used | 1545(46.8%) | 624 (46.4%) | 921 (47.2%) | reference | |
| Former smoker | 1191 (36.1%) | 478 (35.6%) | 713 (36.5%) | 0.9 | ||
| Current user | 560(17.0%) | 242 (18.0%) | 318 (16.3%) | 0.2 | ||
| Alcohol use | Never or heavy | 2212 (67.1 %) | 976 (72.6%) | 1236 (63.3%) | <0.001 | |
| Mild-moderate* | 1086(32.7%) | 369 (27.4%) | 717 (36.7%) | reference | ||
| Hypertension | 2429 (73.7%) | 1017 (75.6%) | 1412 (72.3%) | 0.03 | ||
| Diabetes mellitus†† | 716(21.7%) | 324 (24.2%) | 392 (20.1%) | 0.005 | ||
| Low-density lipoprotein cholesterol (mg/dl) | 129 (36) | 129 (36) | 129 (36) | 0.4 | ||
| High-density lipoprotein cholesterol (mg/dl) | 46(15) | 46 (14) | 48(15) | 0.0002 | ||
| Body mass-index greater than or equal 30 | 901 (27.5%) | 404 (30.3%) | 497 (25.5%) | 0.003 | ||
| Body mass-index less than 30 | 2379 (72.5%) | 929 (69.7%) | 1450 (74.5%) | reference | ||