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Table 1 Description of subtypes of alexithymia

From: Alexithymia and emotional regulation: A cluster analytical approach

Subtype Extrovert-high alexithymia group General-high alexithymia group Introvert-high alexithymia group Non-alexithymia group F P
  N = 1382 (77.3%) N = 43 (2.4%) N = 47 (2.6%) N = 316 (17.7%)   
  Mean ± SD Mean ± SD Mean ± SD Mean ± SD   
Alexithymia characteristics       
Score of Difficulty Identifying Feelings factor of TAS-20 17.66 ± 3.20 27.47 ± 3.81 24.68 ± 2.55 11.37 ± 2.76 597.81 <0.001**
Score of Difficulty Describing Feelings factor of TAS-20 13.56 ± 2.42 17.49 ± 2.93 15.13 ± 3.89 9.95 ± 2.36 236.07 <0.001**
Score of Externally Oriented cognitive style of Thinking factor of TAS-20 20.39 ± 3.00 24.33 ± 3.78 15.00 ± 2.45 15.56 ± 3.34 278.71 <0.001**
Total score of TAS-20 51.62 ± 6.12 69.28 ± 4.92 54.81 ± 5.47 36.87 ± 4.47 718.74 <0.001**
Demographic data       
Age (years) 20.49 ± 1.28 21.10 ± 1.08 20.40 ± 1.36 20.39 ± 1.19 3.20 0.02
Education (years) 14.81 ± 1.09 15.23 ± 1.37 14.94 ± 1.09 14.70 ± 1.02 3.85 0.01
  1. Note: TAS-20 = 20-itemToronto alexithymia scale, *P < 0.05, **P < 0.01 (two-detailed)