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Table 1 Demographics for autistic and general population samples

From: RETRACTED ARTICLE: Improving the measurement of alexithymia in autistic adults: a psychometric investigation and refinement of the twenty-item Toronto Alexithymia Scale

 

SPARK (n = 743)

HPP (n = 721)

Age (years)

30.91 (7.02)

30.92 (13.01)

Sex

 Male

271 (36.5%)

253 (35.1%)

 Female

472 (63.5%)

468 (64.9%)

Gender identity

 Cisgender man

245 (33.0%)

–

 Cisgender woman

400 (53.8%)

–

 Transgender man

15 (2.0%)

–

 Transgender woman

6 (0.8%)

–

 Non-binary

76 (10.2%)

–

Non-hispanic white

590 (79.4%)

–

Education

 No high school diploma

25 (3.4%)

–

 High school diploma/GED

140 (18.8%)

–

 Vocational certificate

36 (4.8%)

–

 Some college

197 (26.5%)

–

 Associate degree

74 (10.0%)

–

 Bachelor’s degree

171 (23.0%)

–

 Graduate/professional degree

100 (13.5%)

–

Age of autism diagnosis (years)

19.67 (11.17)

–

Current depression

440 (59.2%)

–

Current anxiety

533 (71.7%)

–

Current suicidality

292 (39.3%)

–

Lifetime ADHD

342 (46.0%)

–

TAS-20 total score

60.55 (13.11)

50.21 (11.21) a

TAS-16 total score (Prorated)b

61.26 (14.17)

51.38 (10.92)

TAS-8 latent trait score

1.01 (1.17)

0.01 (0.93)

"High alexithymia" (TAS-20 ≥ 61)

405 (54.5%)

123 (17.1%)a

  1. Continuous variables are presented as M (SD), and categorical variables are presented as N (%). All data in both samples were gathered by self-report
  2. SPARK Simons Powering Autism Research Knowledge, HPP Human Penguin Project, ADHD attention deficit hyperactivity disorder, TAS Toronto Alexithymia Scale
  3. aParticipants in the HPP sample completed a 16-item version of the TAS (TAS-16), which excluded items 16, 17, 18, and 20. For comparison with the TAS-20 scores in the SPARK sample, these four items were imputed for all HPP participants using random forest imputation
  4. bCalculated as mean of all non-missing TAS-16 items multiplied by 20, for comparison with TAS-20 scores
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Molecular Autism

ISSN: 2040-2392