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Table 1 Descriptive statistics for the three samples, test of gender differences, and bivariate correlations between SMBM subscales and the overall SMBM index

From: Psychometric properties of the Shirom-Melamed Burnout Measure (SMBM) among adolescents: results from three cross-sectional studies

 

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***

–

   
  1. Note. Skew = Skewness, Kurt = Kurtosis
  2. *p < .05. **p < .01. ***p < .001