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Table 2 Participant characteristics by module

From: Diagnostic validity of Autism Diagnostic Observation Schedule, second edition (K-ADOS-2) in the Korean population

Participant characteristics

Toddler Module

Module 1

Module 2

Module 3

Module 4

ASD mean (SD)

Non-ASD mean (SD)

t

ASD mean (SD)

Non-ASD mean (SD)

t

ASD mean (SD)

Non-ASD mean (SD)

t

ASD mean (SD)

Non-ASD mean (SD)

t

ASD mean (SD)

Non-ASD mean (SD)

t

n

96

193

 

564

78

 

388

186

 

233

178

 

192

50

 

% Male (%)

70.8

56.5

 

80.1

65.4

 

80.4

60.8

 

86.3

47.2

 

93.2

38.0

 

Age (months)

24.9 (4.4)

21.6 (5.2)

− 5.4**

52.5 (21.9)

37.8 (19.5)

− 5.6**

66.3 (30.2)

43.8 (11.8)

− 9.8**

116.5 (32.9)

105.8 (33.8)

− 3.2**

223.0 (53.8)

205.6 (58.0)

− 2.0*

FSIQ

NA

NA

NA

60.4 (17.5)

97.0 (28.6)

3.4**

72.1 (21.4)

92.4 (18.8)

5.6**

89.2 (21.3)

103.8 (18.0)

6.8**

97.5 (18.4)

103.3 (21.1)

1.8

ADOS-2 a

 SA

7.9 (1.8)

2.5 (1.6)

− 24.7**

7.4 (1.7)

2.6 (1.5)

− 25.2**

7.6 (1.5)

2.5 (1.6)

− 37.2**

8.2 (1.4)

2.9 (2.2)

− 28.1**

7.7 (1.6)

1.9 (1.7)

− 22.3**

 RRB

4.9 (2.4)

1.8 (1.6)

− 11.5**

6.1 (2.2)

1.9 (1.8)

− 15.4**

5.7 (2.3)

1.9 (1.6)

− 22.8**

5.0 (3.0)

1.2 (.7)

− 19.2**

5.9 (1.9)

1.3 (1.2)

− 21.4**

 Total

7.0 (1.8)

2.0 (1.3)

− 24.6**

6.9 (1.6)

2.0 (1.4)

− 24.6**

7.0 (1.5)

1.8 (1.1)

− 46.2**

7.5 (1.7)

2.1 (1.7)

− 32.0**

7.3 (1.7)

1.5 (1.1)

− 29.8**

ADI-R

 SI

15.1 (5.0)

4.2 (3.2)

− 22.5**

19.5 (6.2)

5.8 (4.3)

− 19.2**

18.2 (6.0)

2.7 (2.7)

− 33.6**

19.1 (6.5)

2.9 (3.6)

− 29.6**

20.1 (6.5)

1.9 (2.9)

− 18.9**

 C

6.2 (7.9)

1.3 (1.7)

− 4.0**

12.3 (5.1)

3.7 (3.2)

− 10.9**

14.8 (4.4)

1.8 (1.9)

− 37.8**

14.4 (5.2)

2.0 (2.8)

− 28.3**

15.2 (5.1)

1.5 (2.4)

− 18.2**

 RRB

3.5 (2.2)

.9 (1.1)

− 13.6**

4.8 (2.2)

1.3 (1.5)

− 13.8**

5.8 (2.8)

.9 (1.3)

− 22.7**

5.8 (2.7)

.5 (.9)

− 24.7**

5.3 (2.6)

.6 (1.2)

− 12.5**

K-CARS

31.6 (3.5)

17.5 (3.5)

− 27.7**

34.5 (5.8)

19.0 (3.3)

− 20.6**

32.7 (5.0)

17.3 (2.8)

− 33.3**

31.7 (5.0)

18.2 (3.4)

− 23.6**

32.1 (4.0)

17.1 (2.5)

− 12.1**

SCQ

15.2 (4.5)

7.9 (5.3)

− 8.2**

17.0 (6.5)

6.0 (5.5)

− 9.7**

13.7 (7.0)

3.1 (3.6)

− 14.8**

11.5 (7.3)

3.4 (5.3)

− 11.6**

12.9 (7.2)

3.9 (4.4)

− 7.8**

SRS

64.5 (16.3)

48.1 (8.1)

− 10.4**

89.6 (30.5)

46.0 (19.8)

− 10.9**

82.8 (28.8)

35.3 (19.4)

− 19.6**

89.1 (30.3)

24.8 (22.4)

− 22.6**

93.7 (28.9)

31.0 (33.8)

− 12.2**

  1. Notes *p < .05, **p < .01. ASD, autism spectrum disorder; FSIQ, full-scale intelligence quotient; ADOS-2, Autism Diagnostic Observation Schedule-2; SA, social affect; RRB, Restricted Repetitive Behavior; ADI-R, Autism Diagnostic Interview-Revised; SI, social interaction; C, Communication Total; RRB, Restricted Repetitive; K-CARS, Korean Child Autism Rating Scale; SCQ, Social Communication Questionnaire; and SRS, Social Responsiveness Scale. a = reported in calibrated severity scores