Table 2.

Items Excluded from Principal Component Analyses

GQ-ASC items	Reason for exclusion
8. When I was 5–12 years old, I role played the teacher or other adults in my solitary games	1, 2
10. I have many friends	1, 2
11. I preferred to play with younger children	1, 2
12. I prefer single, close friendships	1, 2
26. My facial expression sometimes does not match my mood or the situation	1, 2
30. I am talented in art	1, 2
31. I am talented in mathematics	3
33. I like to express myself in writing (journaling in pen or pencil, or in emails, or I write fiction)	1, 2
34. I am talented in languages	1, 2
37. I stand out as different from my peers in terms of clothing	1, 2
40. I am interested in nature	1, 2
42. I have a special interest related to food	2
47. I am bothered by bright lights or certain kind of lights (e.g., fluorescent light)	1, 2
49. I have poor endurance and tire easily	1, 2
50. I seek certain sensations (e.g., I jump, swing, spin, can't sit still, fidget, masturbate intensively, twist blanket around my body tightly)	2
51. I avoid certain sensations (e.g., I am distressed when my feet leave the ground, I fear heights, dislike activities where my head is upside down)	1, 2
52. I am distracted during any task or conversation when there is a lot of noise around	1, 2
54. I am confused about my sexual orientation	1, 2
35R. I am interested in looking feminine	1, 2

1, component loading <0.40; 2, communality <0.30; 3, KMO <0.50.

GQ-ASC, Girls Questionnaire for Autism Spectrum Condition; KMO, Kaiser–Meyer–Olkin.