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Table 5 Summary of key variables

From: “Status projection”—a study of the foundation of independent directors among China’s listed companies

  Mean Standard dev Min Max
Related_Top10 0.91 0.28 0 1
Poli_Interlock 0.2 0.4 0 1
Pro_Interlock 0.6 0.49 0 1
State owned 0.39 0.49 0 1
Num_PoliD 1.18 0.59 0 4
Num_ProD 0.47 0.71 0 4
No. of employees (LN) 7.47 1.4 1.79 13.22
No. of shareholders (LN) 10.17 1.11 1.61 13.92
Special treatment (ST) 0.03 0.17 0 1
Industry (code)a Percentage (%) Industry code Percentage (%)  
 Industry 1(A) 1.3 Industry 8(H) 5.8  
 Industry 2(B) 2.2 Industry 9(I) 2.2  
 Industry 3(C) 62.5 Industry 10(J) 4.8  
 Industry 4(D) 2.2 Industry 11(K) 3  
 Industry 5(E) 2 Industry 12(L) 1  
 Industry 6(F) 2.8 Industry 13(M) 1.7  
 Industry 7(G) 8.5    
  1. aAccording to the main industry categories in “Guidelines for the Industry Classification of Listed Companies (2001)” by the CSRC