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Table 2 Comparison of TAS-20 total score and subscales scores between the adult prisoners and the adult norm of 2003 and 2007

From: Prevalence and associated factors of alexithymia among adult prisoners in China: a cross-sectional study

 

DIF

DDF

EOT

TAS-20 TOTAL

Samples of adult prisoners

(N = 1705)

19.95 ± 5.03

14.59 ± 2.87

21.93 ± 3.34

56.47 ± 8.61

The adult norm of 2003a

(N = 416)

17.33 ± 4.70

13.44 ± 3.29

18.91 ± 4.01

49.68 ± 9.24

t c

 

21.52***

16.56***

37.36***

32.60***

The adult norm of 2007b

(N = 870)

16.26 ± 4.75

13.26 ± 3.51

19.12 ± 3.86

48.65 ± 9.24

t d

30.31***

19.15***

34.77***

37.54***

 
  1. aFor the data source, see reference [61] (The Chinese version of the TAS-20: reliability and validity)
  2. bFor the data source, see reference [55] (Cross-cultural validation of a Chinese translation of the 20-item Toronto Alexithymia Scale)
  3. cComparison of TAS −20 total score and subscales scores between the adult prisoners and the adult norm of 2003
  4. dComparison of TAS −20 total score and subscales scores between the adult prisoners and the adult norm of 2007
  5. *p < 0.05 **p < 0.01 ***p < 0.001