Table 4.

Summary statistics, by participant, during the exercise condition.

Participant	R-R interval (msec)	Heart rate	Ln variance	Ln RSA	Ln [Power(msec²)]	Participant	R-R interval (msec)	Heart rate	Ln variance	Ln RSA	Ln [Power(msec²)]
S1						S9^*
LS	634.59	95.25	8.05	5.66	4.37	LS	727.44	82.69	7.15	5.76	3.81
Biopac	634.60	95.25	8.05	5.65	4.37	Biopac	727.45	82.68	7.12	5.69	3.64
Difference	−.01	0	0	.01	0	Difference	−.01	.01	.03	.07	.17
S2^*						S10^*
LS	832.32	72.17	6.66	5.90	4.26	LS	758.07	80.44	9.34	8.70	7.20
Biopac	832.34	72.17	6.67	5.91	4.26	Biopac	758.18	80.45	9.35	8.65	7.21
Difference	−.02	0	−.01	−.01	0	Difference	−.11	−.01	−.01	.05	−.01
S3^*						S11^*
LS	699.33	86.13	7.54	5.80	3.14	LS	597.02	100.75	6.86	5.71	3.66
Biopac	699.35	86.12	7.54	5.80	3.09	Biopac	597.01	100.75	6.86	5.71	3.76
Difference	−.02	.01	0	0	.05	Difference	.01	0	0	0	−.10
S4^*						S12^*
LS	732.92	82.17	7.60	6.10	4.01	LS	829.00	72.62	7.72	5.65	3.93
Biopac	732.93	82.17	7.60	6.10	4.01	Biopac	829.01	72.63	7.72	5.68	3.97
Difference	−.01	0	0	0	0	Difference	−.01	−.01	0	−.03	−.04
S5						S13
LS	681.94	88.25	7.29	6.43	3.71	LS	601.27	100.31	7.58	6.19	4.01
Biopac	681.96	88.25	7.29	6.42	3.74	Biopac	601.55	100.26	7.57	6.20	4.01
Difference	−.02	0	0	.01	−.03	Difference	−.28	.05	.01	−.01	0
S6^*						S14
LS	802.55	75.21	8.27	6.97	5.38	LS	639.44	94.31	7.75	5.49	3.97
Biopac	802.56	75.21	8.27	6.97	5.37	Biopac	639.45	94.31	7.75	5.50	3.99
Difference	−.01	0	0	0	.01	Difference	−.01	0	0	−.01	−.02
S7						S15^*
LS	638.96	94.20	7.21	6.37	4.69	LS	547.32	109.70	5.36	3.49	2.20
Biopac	638.95	94.20	7.21	6.35	4.68	Biopac	547.32	109.70	5.35	3.45	2.20
Difference	.01	0	0	.02	.01	Difference	0	0	.01	.04	0
S8
LS	690.01	87.25	7.45	5.96	4.43
Biopac	690.08	87.24	7.45	5.97	4.43
Difference	−.07	.01	0	−.01	0

required editing for detection errors