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Table 1 Demographic characteristics of included sample

From: Infant excitation/inhibition balance interacts with executive attention to predict autistic traits in childhood

Mean (SD)

TL

NF1

EL-autism

EL-ADHD

EL-autism + ADHD

Group contrast p value

10-month visit

      

n

24

21

67

24

19

–

Social videos: n retained trials

91.19 (47.84)

87.33 (36.15)

98.34 (44.64)

105.27 (31.72)

100.94 (49.91)

0.63

Non-social videos: n retained trials

95.21 (46.17)

90.94 (36.23)

89.04 (41.46)

95.73 (28.47)

87.27 (39.04)

0.92

Males/females (% female)

13:11 (46%)

9:12 (43%)

34:33 (49%)

13:11 (42%)

11:8 (40%)

0.90

Age in months

10.75 (0.55)

10.84 (0.65)

10.62 (0.49)

(n=66)

10.87 (0.93)

10.63 (0.49)

0.36

MSEL ELC

88.71 (12.88)

80.75 (10.65)

(n=20)

87.74 (15.56)

(n=66)

85.54 (16.12)

82.32 (12.17)

0.22

Average RMSEA

0.07 (0.02)

0.06 (0.02)

0.06 (0.01)

0.06 (0.01)

0.06 (0.01)

0.18

24-month visit

      

n

21

n/a

56

19

15

–

Males/females (% female)

10:11 (52%)

n/a

29:27 (48%)

11:8 (42%)

10:5 (33%)

0.67

Age in months

25.42 (1.26)

n/a

25.92 (1.64)

25.63 (1.29)

25.08 (0.52)

0.17

MSEL ELC

113.29 (18.82)

n/a

99.20 (21.43)

107.95 (22.62)

96.73 (17.70)

0.03

EBCQ executive attention score

4.54 (0.78)

(n=20)

n/a

4.19 (0.95)

(n=53)

4.12 (0.79)

(n=15)

3.92 (0.71)

(n=12)

0.24

36-month visit

      

n

16

n/a

54

21

15

–

Males/females (% female)

9:7 (56%)

n/a

25:29 (54%)

11:10 (48%)

10:5 (33%)

0.55

Age in months

37.98 (2.03)

n/a

38.10 (1.33)

38.44 (2.75)

38.04 (1.54)

0.86

MSEL ELC

128.38 (12.20)

n/a

107.06 (19.09)

(n=53)

118.67 (19.73)

106.29 (20.60)

(n=14)

< 0.001

SRS total

25.13 (9.22)

n/a

43.13 (32.91)

(n=49)

33.06 (25.19)

(n=18)

65.36 (48.35)

(n=11)

< 0.001

SRS t-score

43.56 (3.67)

n/a

50.57 (12.60)

(n=49)

46.61 (9.61)

(n=18)

59.00 (18.63)

(n=11)

< 0.01

CBCL ADHD subscale total

2.72 (2.14)

n/a

4.29 (3.26)

(n=52)

4.58 (3.44)

(n=19)

6.08 (3.93)

(n=13)

0.04

CBCL ADHD subscale t-score

50.89 (1.37)

n/a

54.02 (6.30)

(n=52)

54.58 (7.14)

(n=19)

58.08 (9.03)

(n=13)

0.02

  1. CBCL, Child Behavior Checklist; ECBQ, Early Childhood Behavioral Questionnaire; EL, elevated likelihood; ELC, Early Learning Composite; MSEL, Mullen Scales of Early Learning; SD, standard deviation; and SRS, Social Responsiveness Scale