Table 1.
Baseline Characteristics Presented Overall and by Caloric Restriction Group Assignment
| Overall (n = 1 188) | Caloric Restriction (n = 667) | No Caloric Restriction (n = 521) | |
|---|---|---|---|
| Age (years) | 67.6 ± 5.3 | 67.6 ± 5.3 | 67.5 ± 5.3 |
| Female, n (%) | 826 (69.5) | 471 (70.6) | 355 (68.1) |
| Race, n (%) | |||
| White | 952 (80.1) | 527 (79.0) | 425 (81.6) |
| Black | 236 (19.9) | 140 (21.0) | 96 (18.4) |
| BMI (kg/m²) | 33.8 ± 4.4 | 33.9 ± 4.2 | 33.8 ± 4.6 |
| ≥30 kg/m2, n (%) | 956 (80.4) | 546 (81.9) | 410 (78.7) |
| Presence of select comorbidities, n (%) | |||
| Diabetes | 167 (14.1) | 89 (13.3) | 78 (15.0) |
| Hypertension | 685 (57.7) | 388 (58.2) | 297 (57.0) |
| CVD | 390 (32.8) | 216 (32.4) | 174 (33.4) |
| Fast-paced gait speed, mean ± SD (m/s) | 1.2 ± 0.2 | 1.3 ± 0.2 | 1.2 ± 0.2 |
| Fast-paced gait speed, median (IQR) (m/s) | 1.24 (1.11, 1.38) | 1.25 (1.12, 1.38) | 1.23 (1.09, 1.37) |
| CRP (mg/L) | 6.9 ± 9.1 | 7.2 ± 9.0 | 6.6 ± 9.3 |
| IL-6 (pg/mL) | 3.7 ± 7.4 | 4.0 ± 9.6 | 3.4 ± 2.5 |
| Exercise assignment, n (%) | 776 (65.3) | 436 (65.4) | 340 (65.3) |
Note: n = sample size; BMI = body mass index; CVD = cardiovascular disease; CRP = C-reactive protein; IL-6 = interleukin 6.