Table 9.

Differences between HR–VO₂ regression equations in model 1 and model 2 (means ± SD, and 95% confidence intervals (CI)) for all values

Participant	Differences between model 1 and model 2 with regard to the constituents (y intercepts and slope) and correlation outcomes (r)
	Day 1			Day 2
	y intercept	Slope	r	y intercept	Slope	r
Males
1	0.23	− 0.0019	− 0.002	− 0.19	0.0016	0.000
2	0.42	− 0.0034	0.015	1.48	− 0.0118	0.002
3	− 0.78	0.0051	− 0.083	− 0.69	0.0051	0.014
4	0.58	− 0.0046	− 0.030	0.49	− 0.0036	0.031
5	0.75	− 0.0056	− 0.010	0.09	− 0.0006	0.008
6	− 0.16	0.0013	− 0.002	− 0.04	0.0003	0.000
7	0.59	− 0.0041	− 0.004	0.49	− 0.0036	0.006
Mean	0.23	− 0.0019	− 0.017	0.23	− 0.0018	0.000
SD	0.54	0.0038	0.032	0.69	0.0053	0.014
Females
1	0.09	− 0.0008	0.002	0.44	− 0.0040	− 0.009
2	− 0.06	0.0004	0.002	0.02	− 0.0001	0.000
3	− 0.11	0.0009	− 0.001	− 0.15	0.0012	− 0.002
4	− 0.07	− 0.0006	0.000	− 0.11	0.0010	0.001
5	− 0.26	0.0023	− 0.007	− 0.12	0.0010	0.000
6	0.08	0.0006	0.003	0.15	− 0.0012	0.005
7	− 0.03	0.0002	0.004	− 0.09	0.0009	− 0.002
Mean	− 0.05	0.0004	0.000	0.02	− 0.0002	− 0.001
SD	0.12	0.0010	0.004	0.21	0.0019	0.004
All
Mean	0.09	0.0007	− 0.008	0.13	− 0.0010	0.001
SD	0.40	0.0029	0.024	0.50	0.0039	0.010
P value	.412	.371	.216	.367	.367	.777
CI lower	− 0.14	− 0.002	− 0.02	− 0.16	− 0.003	− 0.01
CI upper	0.32	0.001	0.01	0.41	0.001	0.01