Table 2 Changes in the mean heart rate and lnHF in each group before and after the intervention
Laughter group (n = 45) | Rest Group (n = 45) | Interaction | Main effect | |||||
|---|---|---|---|---|---|---|---|---|
Group × Time | Time | Group | ||||||
Mean (SD) | F | P | F | P | F | P | ||
Mean heart rate | ||||||||
Time 1 | 70.31 (6.32) | 73.10 (7.68) | 4.80 | 0.009 | 163.1 | < 0.001 | 3.15 | 0.079 |
Time 2 | 77.62 (7.78) | 78.95 (7.69) | ||||||
Time 3 | 70.55 (6.38) | 74.34 (8.11) | ||||||
lnHF | ||||||||
Time 1 | 6.31 (0.48) | 6.06 (0.85) | 23.9 | < 0.001 | 63.6 | < 0.001 | 8.62 | 0.004 |
Time 2 | 5.58 (0.63) | 5.56 (0.94) | ||||||
Time 3 | 6.72 (0.62) | 5.81 (0.73) | ||||||