Table 1.
Participant Characteristics for the Overall Cohort and According to Quartiles of Total Physical Activity (N=4832)
| Overall | Total Physical Activity Quartiles (Min/d) | Trend, P Value | ||||
|---|---|---|---|---|---|---|
| <272.0 | 272.1 to 335.6 | 335.7 to 401.8 | ≥401.9 | |||
| Age, y | 78.9±6.6 | 81.8±6.3 | 79.8±6.3 | 78.2±6.3 | 75.7±6.1 | <0.001 |
| 63 to 69 | 469 (9.7) | 55 (4.6) | 77 (6.4) | 116 (9.6) | 221 (18.3) | <0.001 |
| 70 to 79 | 1879 (38.9) | 314 (26.0) | 449 (37.2) | 513 (42.5) | 603 (49.9) | |
| 80 to 89 | 2276 (47.1) | 726 (60.1) | 629 (52.1) | 549 (45.5) | 372 (30.8) | |
| ≥90 | 208 (4.3) | 113 (9.4) | 53 (4.4) | 30 (2.5) | 12 (1.0) | |
| Race‐ethnicity | <0.001 | |||||
| White | 2535 (52.5) | 741 (61.3) | 659 (54.6) | 605 (50.1) | 530 (43.9) | |
| Black | 1473 (30.5) | 351 (29.1) | 382 (31.6) | 377 (31.2) | 363 (30.1) | |
| Hispanic | 824 (17.1) | 116 (9.6) | 167 (13.8) | 226 (18.7) | 315 (26.1) | |
| Education | 0.16 | |||||
| High school or less | 986 (20.5) | 250 (20.8) | 254 (21.2) | 248 (20.6) | 234 (19.4) | |
| Some college | 1843 (38.4) | 479 (39.9) | 476 (39.8) | 431 (35.9) | 457 (37.9) | |
| College graduate | 1976 (41.1) | 471 (39.3) | 467 (39.0) | 523 (43.5) | 515 (42.7) | |
| Alcohol in past 3 mo | <0.001 | |||||
| Nondrinker | 1656 (37.1) | 472 (43.7) | 453 (40.8) | 397 (35.0) | 334 (29.4) | |
| <1 drink/wk | 1501 (33.7) | 377 (34.9) | 377 (34.0) | 379 (33.4) | 368 (32.4) | |
| 1 to 4 drinks/wk | 778 (17.4) | 146 (13.5) | 159 (14.3) | 216 (19.1) | 257 (22.6) | |
| ≥5 drinks/wk | 525 (11.8) | 85 (7.9) | 121 (10.9) | 142 (12.5) | 177 (15.6) | |
| Current smoker | 114 (2.6) | 40 (3.7) | 24 (2.2) | 28 (2.5) | 22 (1.9) | 0.05 |
| BMI, kg/m2 | 28.0±5.7 | 29.5±6.1 | 28.5±5.8 | 27.6±5.6 | 26.2±4.7 | <0.001 |
| ≥30 (obese) | 1445 (30.1) | 504 (42.1) | 406 (33.8) | 320 (26.7) | 215 (18.0) | <0.001 |
| Waist, cm | 89.8±13.8 | 94.9±14.8 | 91.3±13.1 | 88.7±13.5 | 84.3±11.3 | <0.001 |
| >88 (abdominal obesity) | 1628 (33.4) | 587 (48.3) | 444 (36.4) | 350 (28.7) | 247 (20.3) | <0.001 |
| SPPB score (range 0–12) | 8.3±2.5 | 6.9±2.7 | 8.1±2.4 | 8.7±2.3 | 9.3±2.1 | <0.001 |
| Age at menopause, y | 48.4±6.3 | 48.3±6.6 | 48.8±6.1 | 48.4±6.2 | 48.3±6.2 | 0.12 |
| History of diabetes mellitus | 953 (19.7) | 328 (27.2) | 262 (21.7) | 211 (17.5) | 152 (12.6) | <0.001 |
| History of hypertension | 3457 (72.6) | 987 (83.1) | 918 (76.9) | 847 (71.2) | 705 (59.3) | <0.001 |
| Total PA, min/d | 339.7±96.5 | 220.5±39.4 | 304.7±17.8 | 367.7±19.4 | 465.9±53.3 | <0.001 |
| Low light PA, min/d | 189.2±49.6 | 136.2±28.3 | 177.1±26.9 | 203.4±30.84 | 240.3±40.2 | <0.001 |
| High light PA, min/d | 98.9±35.5 | 60.1±17.8 | 87.2±15.1 | 107.9±17.8 | 140.8±26.5 | <0.001 |
| MVPA, min/d | 51.5±34.8 | 24.3±15.8 | 40.3±21.2 | 56.3±26.8 | 84.9±37.8 | <0.001 |
Data are mean±SD, or N (%). BMI indicates body mass index; PA, physical activity; MVPA, moderate‐to‐vigorous physical activity; SPPB, short physical performance battery.