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Table 3 Factor Loadings, 5 Factors, Orthogonal Varimax Rotation, loading>.3

From: Clinical signs associated with earlier diagnosis of children with autism Spectrum disorder

Variable

Factor 1

Factor 2

Factor 3

Factor 4

Factor 5

  

Regressive Autism

Social Awkwardness

Communication difficulties

Sensory reactivity and need for sameness

Aggressive Behavior

1

Delayed speech

  

0.6610

  

2

Delayed response to name

  

0.7492

  

3

Poor eye contact

 

0.4324

0.4654

  

4

Lack of gestures

  

0.7728

  

5

Difficulty understanding gestures

 

0.3613

0.6916

  

6

Played alone

 

0.7254

   

7

Too focused on objects

 

0.7400

   

8

Poor social skills

 

0.6906

0.3184

  

9

Difficulty initating relationships

 

0.6150

   

10

Unusual play with toys

 

0.4290

 

0.3545

 

11

Need for sameness

   

0.4949

0.3918

12

Unusual motor mannerisms

   

0.5210

 

13

Unusual interest in objects

   

0.6638

 

14

Sensory hyperreactivity

   

0.4932

0.3374

15

Sensory hyporeactivity

   

0.3659

 

16

Unusual sensory interest

   

0.5741

 

17

Temper tantrums

    

0.7523

18

Aggression toward self

    

0.6514

19

Aggression toward others

    

0.7224

20

Loss of skills

0.8197

    

21

Loss of language (words only)

0.8146

    

22

Loss of language (phrases)

0.8222

    

23

Less social engagement

0.7676

    

24

Loss of motor skills

0.6562

    

25

Loss of daily living skills

0.6496

    
  1. See Table 1 for the full labels of symptoms