Table 4.
Prevalence of challenging behaviour within syndrome groups and associated cross-syndrome comparisons and post hoc tests
| Syndrome group | Cross-syndrome comparison | ||||
|---|---|---|---|---|---|
| % showing behavioura | PTLS (N = 34) | SMS (N = 31) | ASD (N = 33) | p value | Post hoc test |
| Self-injury (N) | 29.41 (10) | 93.55 (29) | 39.39 (13) | < .001 | SMS > PTLS, ASD |
| Physical aggression (N) | 50.00 (17) | 67.74 (21) | 62.50b (20) | .322 | |
| Property destruction (N) | 23.53 (8) | 77.42 (24) | 43.75b (14) | < .001 | SMS > PTLS, ASD |
aStereotyped behaviour prevalence from the CBQ not included as repetitive behaviours are discussed as part of the RBQ
bData missing for one individual with ASD. Percentages calculated based on 32 participants