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Table 1 Correlation matrix for the CFS and the PSQ

From: Determinants of fatigue and stress

2 Scales of Fatigue 7 Scales of the PSQ
  Fatigue
Total
Mental
Fatigue
Physical
Fatigue
PSQ-Total Harassment Overload Irritability Lack of Joy Worries Tension Fatigue
Fatigue
Total
1.00 0.88** 0.97** 0.37** 0.15** 0.05* 0.26** 0.39** 0.32** 0.35** 0.48**
Mental
Fatigue
- 1.00 0.73** 0.33** 0.16** 0.07** 0.23** 0.34** 0.29** 0.31** 0.38**
Physical
Fatigue
- - 1.00 0.35** 0.12** 0.02 0.24** 0.38** 0.29** 0.33** 0.48**
  1. Correlation coefficient: Spearman's r.
  2. *p < 0.05
  3. **p < 0.001.