Table 2.

Mean comparisons regarding time—pre, during, and post.

		Difference PRE/DURING		Difference PRE/POST		Difference DURING/POST
		Cohen’s d	p	Cohen’s d	p	Cohen’s d	p
RMSSD	Control	0.167	0.204	0.292	0.029	0.203	0.124
	5-MIN	−1.305	<0.001	−0.363	0.007	1.349	<0.001
	10-MIN	−1.445	<0.001	−0.284	0.033	1.262	<0.001
	15-MIN	−1.219	<0.001	−0.411	0.003	1.062	<0.001
	20-MIN	−1.350	<0.001	−0.383	0.005	1.104	<0.001
Respiratory frequency	Control	0.185	0.162	0.024	0.857	−0.148	0.260
	5-MIN	4.696	<0.001	1.308	<0.001	−3.317	<0.001
	10-MIN	4.710	<0.001	1.745	<0.001	−3.147	<0.001
	15-MIN	5.459	<0.001	2.014	<0.001	−2.774	<0.001
	20-MIN	4.987	<0.001	2.963	<0.001	−2.468	<0.001
Heart Rate	Control	−0.199	0.131	−0.179	0.174	0.025	0.846
	5-MIN	−0.245	0.065	−0.049	0.711	0.196	0.138
	10-MIN	−0.217	0.101	−0.151	0.250	0.062	0.634
	15-MIN	−0.269	0.043	−0.389	0.004	−0.003	0.984
	20-MIN	−0.126	0.338	−0.098	0.452	0.037	0.776

Note: Significant differences are indicated in bold; RMSSD: Root mean square of successive differences.