Table 1.

Descriptive statistics for the three samples, test of gender differences, and bivariate correlations between SMBM subscales and the overall SMBM index

	M	SD	Range	Skew	Kurt	ANOVA
Sample 1: High school students (N = 249)
Descriptive statistics						F	η2
Physical exhaustion	3.64	1.21	1.00–6.67	0.15	−0.51	20.35***	.076
Cognitive weariness	3.22	1.13	1.00–7.00	0.12	−0.15	9.58**	.037
Emotional exhaustion	2.34	1.57	1.00–6.67	1.04	1.24	0.34	.001
Overall SMBM index	3.24	0.99	1.00–5.93	0.04	−0.34	14.68***	.056
Bivariate correlations	1.	2.	3.	4.
1. Physical exhaustion	–
2. Cognitive weariness	.68***	–
3. Emotional exhaustion	.35***	.39***	–
4. Overall SMBM index	.91***	.85***	.42***	–
Sample 2: Vocational students (N = 144)
Descriptive statistics						F	η2
Physical exhaustion	3.15	1.09	1.17–5.83	0.29	−0.56	1.43	.010
Cognitive weariness	2.98	1.01	1.00–5.60	0.20	−0.73	0.04	.000
Emotional exhaustion	2.40	1.13	1.00–7.00	0.95	1.16	3.61	.025
Overall SMBM index	2.93	0.91	1.14–5.07	0.22	−0.78	1.05	.007
Bivariate correlations	1.	2.	3.	4.
1. Physical exhaustion	–
2. Cognitive weariness	.68***	–
3. Emotional exhaustion	.48***	.52***	–
4. Overall SMBM index	.91***	.88***	.72***	–
Sample 3: Young elite athletes (N = 257)
Descriptive statistics						F	η2
Physical exhaustion	3.55	1.13	1.33–6.67	0.30	−0.40	4.00*	.015
Cognitive weariness	3.35	1.08	1.00–7.00	0.43	0.34	5.18*	.020
Emotional exhaustion	2.80	1.16	1.00–6.67	0.53	0.01	0.19	.001
Overall SMBM index	3.32	0.96	1.29–6.79	0.46	0.33	2.91	.011
Bivariate correlations	1.	2.	3.	4.
1. Physical exhaustion	–
2. Cognitive weariness	.65***	–
3. Emotional exhaustion	.49***	.47***	–
4. Overall SMBM index	.89***	.86***	.71***	–

Note. Skew = Skewness, Kurt = Kurtosis

*p < .05. **p < .01. ***p < .001