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Table 2 Means, scale range, standard deviations and correlations among observed variables of latent constructs

From: The relationship between work stress and work ability among power supply workers in Guangdong, China: a cross-sectional study

  1 2 3 4 5 6 7 8 9
Job demands
1. psychological job demands          
2. effort 0.49**         
Job resources
3. job control −0.12** −0.19**        
4. social support −0.06 −0.25** 0.39**       
5. reward −0.25** −0.53** 0.39** 0.42**      
Work ability
6. mental health −0.19** −0.38** 0.35** 0.34** 0.45**     
7. perceived work ability −0.09* −0.20** 0.25** 0.17** 0.22** 0.43**    
8. health status −0.23** −0.37** 0.21** 0.20** 0.32** 0.43** 0.39**   
Control variable
9. age −0.01 0.03 0.03 −0.14** −0.02 0.16** −0.02 −0.03  
Mean 32.89 16.81 61.20 23.90 44.81 2.97 15.75 21.91 35.22
Scale range 12 ~ 48 6 ~ 30 24 ~ 96 8 ~ 32 11 ~ 55 1 ~ 4 3 ~ 27 3 ~ 18 21 ~ 60
Standard deviation 4.29 5.43 8.23 3.22 8.39 0.82 2.15 3.26 8.15
Skewness 0.72 −0.02 −0.32 0.03 −0.82 −0.30 −0.58 −1.13 0.55
Kurtosis 0.86 −0.45 0.78 2.97 0.18 −0.67 1.39 0.83 −0.42
  1. Notes: * P < 0.05; ** P < 0.01