Table 1 T1 Demographic characteristics comparing participants at T2 with those who declined to participate at T2
Took part at T2 | Declined to take part at T2 | Mann-Whitney U/χ 2 | df | p valuea | ||
|---|---|---|---|---|---|---|
N | 67 | 122 | ||||
Age | Median (IQR) | 10.00 (7.00–14.00) | 10.00 (7.00–14.00) | 4287.50 | – | 0.576 |
Gender | % male | 85.1 | 86.1 | 0.35 | 1 | 0.852 |
Self help | % partly able/ableb | 89.6 | 85.2 | 0.70 | 1 | 0.403 |
Mobility | % mobile | 98.5 | 95.1 | N/Ac | – | 0.425 |
Speech | % verbal | 89.6 | 82.8 | 1.30 | 1 | 0.255 |
Self-injury | % with behaviour | 40.3 | 54.9 | 3.92 | 1 | 0.048 |
Moodd total score | Median (IQR) | 34.00 (30.00–38.00) | 32.00 (27.00–38.00) | 4470.00 | – | 0.287 |
Activitye total score | Median (IQR) | 44.00 (24.63–53.00) | 44.00 (30.00–56.00) | 3566.00 | – | 0.172 |
Repetitive behaviourf total score | Median (IQR) | 28.00 (17.00–37.00) | 29.50 (17.10–40.00) | 3748.00 | – | 0.443 |
ASD phenomenologyg total score | Median (IQR) | 28.00 (23.00–31.00) | 26.00 (22.00–30.12) | 3722.5 | – | 0.310 |