Table 1. Baseline Differences between Young and Older Participants.
| Young | Older | ANOVA p value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| HIIT | Resistance | Combined | HIIT | Resistance | Combined | Age | Group | Age × Group | |
| N | 14 (7 M/7 F) | 11 (5 M/6 F) | 9 (5 M/4 F) | 9 (4 M/5 F) | 9 (5 M/4 F) | 8 (5 M/3 F) | N/A | N/A | N/A |
| Age | 25.4 y (4.3 y) | 23.7 y (3.5 y) | 26.3 y (2.7 y) | 70.7 y (4.6 y) | 70.3 y (3.9 y) | 68.6 y (3.4 y) | N/A | N/A | N/A |
| Height | 174.5 cm (6.9 cm) |
172.3 cm (14 cm) |
173.4 cm (8.7 cm) |
170.7 cm (10.7 cm) |
168.9 cm (10.8 cm) |
169.5 cm (9.7 cm) |
0.1458 | 0.8745 | 0.9987 |
| Weight | 75 kg (9.7 kg) |
73.8 kg (14.3 kg) |
77.9 kg (17.1 kg) |
80.3 kg (17 kg) |
76.4 kg (13.7 kg) |
77 kg (16 kg) |
0.5534 | 0.8475 | 0.8041 |
| BMI | 24.6 kg/m2 (2.3 kg/m2) |
24.7 kg/m2 (2.7 kg/m2) |
25.6 kg/m2 (3.3 kg/m2) |
27.3 kg/m2 (3.3 kg/m2) |
26.6 kg/m2 (2 kg/m2) |
26.6 kg/m2 (3.8 kg/m2) |
0.0138 | 0.8377 | 0.6606 |
| Body Fat | 33.5% (7.1%) | 28.3% (8.9%) | 31.9% (4.7%) | 36.2% (4.6%) | 38.5% (4.5%) | 37.9% (6.1%) | 0.0002 | 0.5553 | 0.1088 |
| Fasting Insulin | 5.6 μIU/mL (2 μIU/mL) |
5.7 μIU/mL (3.8 μIU/mL) |
5.5 μIU/mL (2.6 μIU/mL) |
5 μIU/mL (3.1 μIU/mL) |
5.8 μIU/mL (2.1 μIU/mL) |
4.3 μIU/mL (1.8 μIU/mL) |
0.5698 | 0.8185 | 0.4807 |
| Fasting Glucose | 97 mg/dL (4 mg/dL) |
96 mg/dL (6 mg/dL) |
96 mg/dL (7 mg/dL) |
104 mg/dL (11 mg/dL) |
103 mg/dL (10 mg/dL) |
105 mg/dL (8 mg/dL) |
0.0003 | 0.6446 | 0.9092 |
Body composition was measured by dual energy X-ray absorptiometry. Data are mean with SD. BMI, body mass index; FFM, fat-free mass; HIIT, high-intensity interval training; N/A, not applicable.