Table 4.
Adult participant characteristics by daily living skills trajectory group.
| T18 | T21 | |||
|---|---|---|---|---|
| Low (n = 49) | High (n = 36) | Low (n = 20) | High (n = 16) | |
| Age | 18.94 (1.04) | 19.28 (1.24) | 21.91 (1.09) | 22.49 (1.33) |
| DL-AE | 5.56 (2.31) | 13.92 (3.22) | 5.01 (2.58) | 13.69 (2.93) |
| NVIQa,b | 28.00 (19.18) | 90.82 (25.95) | ||
| RL-AE | 4.02 (3.58) | 10.67 (5.61) | 3.12 (2.37) | 9.91 (5.53) |
| EL-AE | 2.35 (1.97) | 12.15 (7.46) | 2.75 (2.72) | 8.87 (4.95) |
| Soc + Comma,c | 19.71 (5.92) | 9.00(5.15) | ||
| RRBa | 4.53 (2.3) | 3.56 (2.7) | ||
NVMA: nonverbal mental age; RL: receptive language; EL: expressive language; AE: age equivalent; Soc + Comm: Autism Diagnostic Interview Social + Nonverbal Communication domain total; RRB = Restricted and Repetitive Behavior domain total.
Bold indicates significant at p < 0.05.
a
Not administered at T21.
b
NVMA not reported for T18 high group due to use of tests providing ranges of AEs at higher skill levels.
c
Group differences also significant when controlling for EL-AE.