Supplementary Table 2. Correlations (r), effect sizes (d) and confidence intervals (95% CI) for repeated measures within training groups and sequences.

Variable	Training Sequence	Baseline vs. Follow-up I			Baseline vs. Follow-up II			Follow-up I vs. Follow-up II
		r	d	CI	r	d	CI	r	d	CI
Affective Attitude (1-7)	MICT–HIIT	.55	0.25	-0.37 – 0.95	.68	0.52	0.08 – 1.34	.67	0.31	-0.28 – 1.03
	HIIT–MICT	.92	0.50	0.55 – 1.84	.86	0.70	0.69 – 1.97	.88	0.34	0.07 – 1.35
Intrinsic Motivation (1-6)	MICT–HIIT	.81	0.09	-0.50 – 0.81	.48	0.25	-0.37 – 0.88	.67	0.35	-0.31 – 1.00
	HIIT–MICT	.81	0.01	-0.62 – 0.66	.79	0.10	-0.48 – 0.76	.89	0.12	-0.40 – 0.87
Affective Valence (-5-+5)	MICT–HIIT	.68	0.61	0.09 – 1.36	.52	0.91	0.26 – 1.76	.61	0.43	-0.19 – 1.26
	HIIT–MICT	.41	0.13	-0.50 – 0.74	.71	-0.41	-1.23 – 0.17	.27	-0.38	-1.00 – 0.40
Exercise Enjoyment(0-100)	MICT–HIIT	.57	-0.42	-1.05 – 0.21	.65	-0.17	-0.91 – 0.52	.63	0.25	-0.43 – 1.01
	HIIT–MICT	.23	-0.39	-0.93 – 0.32	.691	-0.90	-1.93 – -0.47	.29	-0.18	-0.86 – 0.53