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Table 2 Tetrachoric correlations between the GHQ-12 (n = 5925)

From: Measuring the effects of socioeconomic factors on mental health among migrants in urban China: a multiple indicators multiple causes model

  1 2 3 4 5 6 7 8 9 10 11
GHQ 1            
GHQ 2 0.545           
GHQ 3 0.478 0.386          
GHQ 4 0.422 0.346 0.563         
GHQ 5 0.458 0.637 0.364 0.311        
GHQ 6 0.435 0.536 0.414 0.376 0.683       
GHQ 7 0.431 0.474 0.453 0.451 0.516 0.470      
GHQ 8 0.400 0.324 0.457 0.470 0.319 0.348 0.431     
GHQ 9 0.461 0.583 0.399 0.380 0.610 0.661 0.526 0.466    
GHQ 10 0.378 0.466 0.437 0.480 0.540 0.666 0.495 0.430 0.687   
GHQ 11 0.410 0.464 0.437 0.437 0.504 0.597 0.555 0.458 0.603 0.773  
GHQ 12 0.383 0.464 0.361 0.408 0.520 0.455 0.654 0.428 0.523 0.510 0.575
  1. Values in the cells are significant, p < 0.001