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 | Â | Â | 0.6610 | Â | Â |
2 | Delayed response to name | Â | Â | 0.7492 | Â | Â |
3 | Poor eye contact | Â | 0.4324 | 0.4654 | Â | Â |
4 | Lack of gestures | Â | Â | 0.7728 | Â | Â |
5 | Difficulty understanding gestures | Â | 0.3613 | 0.6916 | Â | Â |
6 | Played alone | Â | 0.7254 | Â | Â | Â |
7 | Too focused on objects | Â | 0.7400 | Â | Â | Â |
8 | Poor social skills | Â | 0.6906 | 0.3184 | Â | Â |
9 | Difficulty initating relationships | Â | 0.6150 | Â | Â | Â |
10 | Unusual play with toys | Â | 0.4290 | Â | 0.3545 | Â |
11 | Need for sameness | Â | Â | Â | 0.4949 | 0.3918 |
12 | Unusual motor mannerisms | Â | Â | Â | 0.5210 | Â |
13 | Unusual interest in objects | Â | Â | Â | 0.6638 | Â |
14 | Sensory hyperreactivity | Â | Â | Â | 0.4932 | 0.3374 |
15 | Sensory hyporeactivity | Â | Â | Â | 0.3659 | Â |
16 | Unusual sensory interest | Â | Â | Â | 0.5741 | Â |
17 | Temper tantrums | Â | Â | Â | Â | 0.7523 |
18 | Aggression toward self | Â | Â | Â | Â | 0.6514 |
19 | Aggression toward others | Â | Â | Â | Â | 0.7224 |
20 | Loss of skills | 0.8197 | Â | Â | Â | Â |
21 | Loss of language (words only) | 0.8146 | Â | Â | Â | Â |
22 | Loss of language (phrases) | 0.8222 | Â | Â | Â | Â |
23 | Less social engagement | 0.7676 | Â | Â | Â | Â |
24 | Loss of motor skills | 0.6562 | Â | Â | Â | Â |
25 | Loss of daily living skills | 0.6496 | Â | Â | Â | Â |