Table 1.
Demographic characteristics and behavioral performance by autistic trait group
| Low SRS-Aa | High SRS-Aa | P values | |
|---|---|---|---|
| (n = 18) | (n = 17) | ||
| SRS-A score | |||
| Mean (s.d.) | 26.61 (8.02) | 65.24 (21.18) | <0.001* |
| Age (years) | |||
| Mean (s.d.) | 24.11 (4.16) | 23.94 (3.36) | 0.89 |
| Gender | 0.31 | ||
| Male | 7 | 9 | |
| Female | 11 | 8 | |
| Handedness | 1.00 | ||
| Left | 2 | 1 | |
| Right | 16 | 16 | |
| SRQ score | |||
| SR mean (s.d.) | 6.65 (1.57) | 5.78 (2.37) | 0.35 |
| CR mean (s.d.) | 6.58 (1.93) | 5.47 (2.02) | 0.66 |
| NR mean (s.d.) | 3.43 (2.09) | 3.51 (2.12) | 0.77 |
| RMET score | |||
| Mean (s.d.) | 30.61 (1.88) | 26.88 (3.33) | <0.001* |
aBased on a median split of 37. SRS-A, social responsiveness scale—adult. SRQ, subjective ratings questionnaire. RMET, reading the mind in the eyes. SR, social; CR, non-social; NR, non-reward. *, Statistically significant between group difference (P < 0.05).