Table 1.
Variable | Experiment 1 | Experiment 2 | |||||
---|---|---|---|---|---|---|---|
Exercise w/5 min recovery | Control | p-value | Exercise w/10 min recovery | Exercise w/20 min recovery | Control | p-value | |
n | 20 | 20 | 17 | 16 | 18 | ||
Age, mean years | 20.8 (1.2) | 21.2 (1.4) | 0.35 | 22.3 (2.1) | 21.0 (1.8) | 21.9 (2.2) | 0.15 |
% Female | 55.0 | 40.0 | 0.34 | 47.1 | 73.7 | 84.2 | |
% White | 90.0 | 80.0 | 0.55 | 41.2 | 57.9 | 36.8 | |
Body mass index, mean kg/m2 | 25.5 (4.1) | 25.9 (5.4) | 0.76 | 24.0 (3.3) | 25.3 (3.6) | 26.8 (6.5) | 0.20 |
% Taking medication to regulate mood | 5.0 | 5.0 | 1.00 | 5.9 | 5.3 | 5.3 | |
Affect, mean (PANAS) | |||||||
Positive | 27.9 (6.2) | 31.1 (6.5) | 0.12 | 31.1 (6.9) | 29.7 (7.0) | 30.6 (7.6) | 0.84 |
Negative | 2.2 (3.1) | 12.6 (4.0) | 0.70 | 11.7 (2.5) | 11.5 (1.7) | 11.4 (2.3) | 0.94 |
MVPA, mean | 257.5 (166.9) | 273.5 (126.2) | 0.73 | 190.0 (113.6) | 205.3 (160.0) | 196.6 (147.0) | 0.95 |
Resistance Exercise, % | |||||||
Currently engaging in resistance exercise | 85.0 | 75.0 | 0.43 | 64.7 | 52.6 | 68.4 | |
Heart Rate, mean | |||||||
Resting | 75.0 (10.8) | 70.2 (10.6) | 0.16 | 77.0 (11.0) | 74.1 (13.9) | 72.1 (12.7) | 0.52 |
Midpoint | 144.5 (19.6) | 76.7 (9.5) | < 0.001 | 129.3 (21.4) | 127.5 (21.1) | 73.7 (11.5) | < 0.001 |
Endpoint | 155.5 (18.9) | 73.7 (10.4) | < 0.001 | 135.7 (24.6) | 137.8 (21.1) | 68.6 (11.8) | < 0.001 |
Post | 102.7 (12.7) | 71.7 (8.4) | < 0.001 | 91.8 (14.5) | 86.2 (14.5) | - | 0.26 |
Rating of Perceived Exertion (RPE), mean | |||||||
Resting | 6.0 (0.2) | 6.0 (0.0) | 0.32 | 6.4 (1.2) | 6.1 (0.3) | 6.2 (1.1) | 0.64 |
Midpoint | 12.8 (1.6) | 6.0 (0.0) | < 0.001 | 13.1 (1.9) | 12.4 (1.6) | 6.5 (1.6) | < 0.001 |
Endpoint | 15.9 (1.5) | 6.0 (0.0) | < 0.001 | 15.5 (2.2) | 14.2 (2.3) | 6.3 (1.1) | < 0.001 |
Post | 7.9 (1.9) | 6.0 (0.0) | < 0.001 | 7.6 (1.7) | 6.2 (0.4) | 6.0 (0.0) | 0.008 |
Resistance training circuit | |||||||
# of circuits completed (max = 5) | 5.0 (0.0) | - | N/A | 4.9 (.26) | 5.0 (0.0) | - | 0.15 |
Duration engaged in circuit (max = 15 min) | 15.0 (0.0) | - | N/A | 13.3 (4.7) | 15.0 (0.0) | - | 0.13 |
Values in parentheses are SD estimates.
MVPA: Moderate to vigorous physical activity.