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Table 1 Demographic characteristics for participants with ASD and healthy controls

From: Saccadic eye movement abnormalities in autism spectrum disorder indicate dysfunctions in cerebellum and brainstem

Demographic characteristic

Age group

ASD (N = 65)

Control (N = 43)

Age group (n, %)

6-11

26 (40)

15 (35)

12-18

23 (35)

12 (28)

19+

16 (25)

16 (37)

Total

65

43

Age in years

6-11

9.4 (1.4)

9.0 (1.6)

12-18

14.0 (1.8)

14.1 (2.0)

19+

26.3 (7.4)

26.1 (5.1)

Total

15.2 (7.7)

16.8 (8.3)

Gender (% male)

6-11

73

73

12-18

87

67

19+

88

81

Total

82

74

Full scale IQ

6-11

100 (17)*

113 (15)

12-18

94 (19)*

107 (15)

19+

102 (18)

110 (8)

Total

98 (18)**

110 (13)

Verbal IQ

6-11

99 (16)**

116 (19)

12-18

93 (22)*

110 (16)

19+

109 (22)

109 (13)

Total

99 (21)

106 (12)

Nonverbal IQ

6-11

102 (18)

109 (16)

12-18

99 (19)

98 (10)

19+

100 (22)

109 (8)

Total

100 (20)

106 (12)

ADOS Total†

6-11

12.6 (5.7)

 

12-18

10.7 (3.4)

 

19+

9.8 (4.1)

 

Total

11.2 (4.7)

 

ADI social total

6-11

19.9 (5.8)

 

12-18

21.5 (4.9)

 

19+

17.8 (6.9)

 

Total

20.0 (5.8)

 

ADI communication total

6-11

16.2 (4.6)

 

12-18

16.9 (4.4)

 

19+

13.3 (5.8)ª

 

Total

15.8 (4.9)

 

ADI repetitive behavior total

6-11

6.5 (2.6)

 

12-18

5.9 (2.4)

 

19+

4.8 (2.0)

 
 

Total

5.9 (2.4)

 
  1. Means (SDs) are presented for age and IQ.
  2. *P <0.05; ** P <0.01.
  3. †ADOS totals are based on revised algorithms [61] except for those participants (n = 22) who completed Module 4.
  4. ªParticipants with ASD in the 19 years of age and older age band have significantly lower ADI Communication Total scores than those in the 12 to 18-years-old age band (P = 0.040).
  5. ASD, autism spectrum disorder; IQ, intelligence quotient; ADOS, Autism Diagnostic Observation Scale; ADI, Autism Diagnostic Interview-Revised.