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Table 7 Predictive relationships between 12- and 18-month IBQ-R and 24-month ADOS total severity score

From: Affect and gaze responses during an Emotion-Evoking Task in infants at an increased likelihood for autism spectrum disorder

Variable

Model 1

Model 2

Model 3

 

B

β

B

β

B

β

12 months: IBQ-R

Constant

9.05

 

10.82

 

17.32

 

Activity level

− .63

− .10

− .43

− .07

− .52

− .08

Distress to limitations

− .41

− .07

− .66

− .11

− .96

− .14

Fear

.26

.05

.05

01

− .39

− .07

Duration of orienting

.78

.16

.67

.13

.64

.13

Smile and laughter

1.57

.29

1.29

.24

1.58

.29

High pleasure

2.59

.28

2.45

.27

2.62

.28

Low pleasure

− 1.00

− .17

− 1.05

− .18

− .81

− .13

Soothability

− 1.46

− .18

− 1.22

− .15

− 2.79

− .32

Falling reactivity

− .57

− .09

− .65

− .10

− .58

− .08

Cuddliness

.64

.08

.58

.07

1.85

.22

Perceptual sensitivity

.54

.13

.51

.12

1.18

.25

Sadness

− .16

− .03

− .17

− .03

− .16

− .03

Approach

− 1.30

− .17

− 1.27

− .17

− 1.92

− .24

Vocal reactivity

− 1.39

− .27

− 1.03

− .20

− 1.38

− .26

Enrollment group

–

–

− 1.67

− .14

− 2.31

− .18

Receptive language

–

–

–

–

− .24

− .10

Expressive language

–

–

–

–

− .03

− .02

R2

.13

 

.14

 

.25

 

F (p)

.44 (.95)

 

.45 (.95)

 

.60 (.87)

 

18 months: IBQ-R

Constant

14.99

 

15.40

 

30.07

 

Activity Level

1.21

.19

1.39

.21

.07

.01

Distress to Limitations

− .93

− .17

− .84

− .15

− 1.08

− .20

Fear

− .48

− .10

− .75

− .15

.14

.03

Duration of orienting

.64

.13

.44

.09

.15

.03

Smile and laughter

2.95

.49

2.35

.39

1.39

.25

High pleasure

.10

.01

.77

.09

.36

.04

Low pleasure

− .02

− .003

.06

.009

.14

.02

Soothability

− .71

− .10

− .71

− .10

.02

.01

Falling reactivity

− .76

− .14

− .79

− .14

− .99

− .20

Cuddliness

1.09

.19

.97

.17

.70

.13

Perceptual sensitivity

.17

.04

.30

.07

.68

.16

Sadness

.61

.12

.50

.10

.02

.01

Approach

− 2.90

− .33

− 3.50

− .39

− 2.13

− .26

Vocal reactivity

− 1.77

− .27

− 1.11

− .17

− .95

− .16

Enrollment group

-

–

− 2.72

− .22

− 3.55

− .31

Receptive language

–

–

–

–

− .41

− .38

Expressive language

–

–

–

–

− .38

− .22

R2

.27

 

.31

 

.54

 

F (p)

.92 (.55)

 

.98 (.50)

 

1.44 (.21)

 
  1. ‘–’ Not included in model