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Table 3 Standardized variance/covariance matrix (polychoric correlation)

From: Factor structure and longitudinal measurement invariance of the K6 among a national representative elder sample of China

 

Item1_1

Item2_1

Item3_1

Item4_1

Item5_1

Item6_1

Item1_2

Item2_2

Item3_2

Item4_2

Item5_2

Item6_2

Item1_1

1.00

           

Item2_1

0.70***

1.00

          

Item3_1

0.70***

0.76***

1.00

         

Item4_1

0.61***

0.58***

0.68***

1.00

        

Item5_1

0.61***

0.61***

0.67***

0.72***

1.00

       

Item6_1

0.61***

0.57***

0.64***

0.79***

0.72***

1.00

      

Item1_2

0.26***

0.23***

0.26***

0.24***

0.27***

0.28***

1.00

     

Item2_2

0.25***

0.28***

0.27***

0.21***

0.26***

0.25***

0.70***

1.00

    

Item3_2

0.28***

0.29***

0.31***

0.26***

0.31***

0.28***

0.66***

0.78***

1.00

   

Item4_2

0.25***

0.20***

0.26***

0.28***

0.27***

0.32***

0.63***

0.63***

0.68***

1.00

  

Item5_2

0.29***

0.28***

0.30***

0.29***

0.37***

0.32***

0.59***

0.60***

0.67***

0.70***

1.00

 

Item6_2

0.30***

0.26***

0.30***

0.34***

0.34***

0.38***

0.64***

0.64***

0.66***

0.79***

0.73***

1.00

  1. ***p < 0.001