Table 3. Characteristics of the sample across the 6 groups .
| Variable | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 |
| Number | 20 | 21 | 20 | 19 | 20 | 20 |
| Age (y), mean | 19.9 (0.3) | 21.0 (0.3) | 20.7 (0.3) | 20.7 (0.6) | 20.8 (0.2) | 20.4 (0.3) |
| Men, % | 10.0 | 23.8 | 30.0 | 15.8 | 30.0 | 40.0 |
| White, % | 70.0 | 66.6 | 80.0 | 73.6 | 75.0 | 55.0 |
| Waist circumference, mean cm | 83.5 (2.7) | 82.2 (2.1) | 81.9 (3.0) | 78.6 (4.0) | 85.0 (3.4) | 85.3 (2.3) |
| MVPA, mean min/wk | 241.5 (38.4) | 187.8 (35.4) | 199.2 (35.8) | 250.0 (48.7) | 148.7 (27.4) | 244.0 (48.7) |
| Mood, mean positive | 30.2 (2.1) | 27.2 (1.7) | 30.6 (1.7) | 29.9 (2.3) | 29.6 (2.0) | 30.2 (1.9) |
| Mood, mean negative | 12.1 (0.7) | 12.6 (0.8) | 11.7 (0.4) | 13.3 (0.9) | 15.9 (1.3) | 14.3 (1.0) |
| Resting HR, bpm | 82.3 (2.2) | 77.0 (3.2) | 76.5 (2.5) | 76.6 (3.7) | 77.9 (2.7) | 79.7 (2.4) |
| End of Exercise HR, bpm | 115.9 (5.7) | - | - | 112.8 (5.8) | - | - |
| Memory Recall, mean No. of correctly recalled word pairs | 2.4 (0.6) | 2.4 (0.5) | 5.1 (0.6) | 6.9 (0.5) | 5.0 (0.4) | 6.1 (0.4) |
Abbreviations: MVPA, moderate-to-vigorous physical activity, HR, heart rate; BPM, beats per minute.
Participants randomized into one of 6 experimental groups (N=120), including 3 Prospective Interference (G1, G2, and G3) and 3 Retrospective Interference groups (G4, G5, and G6). Those in G1 and G4 exercised prior to the AB/AC paradigm with interference; G2 and G5 did not exercise but had interference; and G3 and G6 were the control groups with no exercise and no interference.
Variance estimates in parentheses are standard error values.