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Table 1 Descriptive statistics

From: Etiological influences on the stability of autistic traits from childhood to early adulthood: evidence from a twin study

Sample characteristics

 

Sex

Zygosity

Highest parental education level

% Male

% Female

% MZ

% DZ

% Compulsory School

% Upper Secondary School

% College/university

% Other

 Participants in CATSS-18

47%

53%

35%

65%

M: 5%

F: 12%

M: 45%

F: 47%

M: 46%

F: 38%

M: 4%

F: 3%

 Non-responders

52%

48%

28%

72%

M: 4%

F: 9%

M: 45%

F: 53%

M: 48%

F: 36%

M: 3%

F: 2%

Descriptive statistics

 A-TAC scale

N Items

Range

Mean (SD)

Cronbach’s α

Skew

 Full scale, age 9/12

12

0–12

0.34 (0.86)

.74

5.50

 Full scale, age 18

12

0–11

0.73 (1.07)

.70

3.18

  1. M highest maternal education level, F highest paternal education level, A-TAC Autism-Tics, AD/HD and other Comorbidities inventory
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Molecular Autism

ISSN: 2040-2392