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| |
Laughter group (n = 45)
|
Rest Group (n = 45)
|
Interaction
|
Main effect
|
|---|
|
Group × Time
|
Time
|
Group
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|---|
|
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)
|
- Time 1: During rest (10 min)
- Time 2: During the Uchida-Kraepelin test (15 min)
- Time 3: During each intervention (five minutes)
- SD standard deviation
- lnHF natural logarithm of high-frequency component of heart rate variability
