Table 1 t-test results

HRV PNSi

 T1

t(34) = .027

.98

[− .836, .858]

 T2

t(35) =  − .029

.98

[− .781, .759]

 T3

t(35) =  − .272

.79

[− .956, .730]

 T4

t(35) = .092

.93

[− .804, .880]

 T5

t(35) = .534

.60

[− .581, .995]

 T6

t(35) = .207

.84

[− .665, .816]

HRV SNSi

 T1

t(34) =  − .714

.48

[− 1.487, .714]

 T2

t(35) = .022

.98

[− 1.201, 1.228]

 T3

t(18.55) =  − .214

.83

[− 1.661, 1.353]

 T4

t(18.84) =  − .079

.94

[− 1.282, 1.189]

 T5

t(20.92) =  − .673

.51

[− 1.491, .762]

T6

t(35) = .473

.64

[− .801, 1.287]

STAI

 T1

t(22.6) =  − .595

.56

[− 8.70, 4.81]

 T2

t(38) = .147

.88

[− 6.75, 7.80]

 T3

t(40) =  − .382

.70

[− 8.52, 5.81]

 T4

t(20.6) =  − .459

.65

[− 9.90, 6.32]

 T5

t(40) = .751

.46

[− 3.79, 8.28]