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Table 3 Weight of variables in ADI-R score change based on linear regression models

From: Two-year follow-up of 90 children with autism spectrum disorder receiving intensive developmental play therapy (3i method)

 

Variable

Coefficient

SD

t-value

P value

ADI-R Reciprocal Social Interaction

>  30 hours per week or less

−12.58

5.04

−2.496

0.0146*

Age

−0.29

0.72

− 0.398

0.6914

Sex male or not

0.11

6.47

0.016

0.987

ADI-R score at T0

−0.09

0.51

− 0.182

0.8563

Verbal communication or not at T0a

−14.82

6.40

−2.316

0.0231*

Listed comorbidity or not

−1.42

7.23

−0.197

0.8445

ADI-R Language/Communication

>  30 hours per week or less

−9.88

6.77

−1.458

0.14859

Age

−0.25

0.97

−0.263

0.79309

Sex male or not

5.62

8.86

0.634

0.52788

ADI-R score at T0

−1.32

1.09

−1.21

0.22971

Verbal communication or not at T0a

−20.36

7.66

−2.659

0.00944**

Listed comorbidity or not

−4.52

9.67

−0.47

0.64

ADI-R Repetitive Behaviors/Interests

>  30 hours per week or less

0.55

6.95

0.08

0.94

Age

−2.32

0.99

−2.34

0.022*

Sex male or not

2.43

8.58

0.28

0.78

ADI-R score at T0

−0.67

0.56

−1.20

0.24

Verbal communication or not at T0a

−4.69

8.79

−0.53

0.60

Listed comorbidity or not

−14.75

9.77

−1.51

0.14

  1. aVerbal or non-verbal communication status was defined through ADI-R communication initial assessment; **<0.01; *<0.05