A potentiated startle study of uncertainty and contextual anxiety in adolescents diagnosed with autism spectrum disorder

Table 2 Linear regression model with dependent variable as the EMG startle response to the unpredictable condition during the uncued intertrial interval, considered to be the context marked by the highest level of uncertainty

Measure	B	SE B		β	R²change
ASD model						Total adjusted R² = 0.53, F (3,14) = 6.45, P = 0.003
SCAS-C GAD	-0.39	0.18		-0.39	0.32^*
SRS Mannerisms	-0.19	0.07		-0.45	0.13^§
IUS-C	-0.12	0.05		-0.43	0.17^§
CON model						Total adjusted R² = -0.14, F (3,13) = 0.35, P = 0.79
SCAS-C GAD	-0.57	0.60	-0.36	0.03
SRS mannerisms	-0.22	0.32	-0.20	0.03
IUS-C	0.08	0.16	0.17	0.02

^*P <0.05, ^§P <0.10. ASD, autism spectrum disorder; SCAS-C GAD, generalized anxiety disorder on the Spence Children’s Anxiety Scale-child report; SRS Mannerisms, parent report rigid and repetitive behavior on the Social Responsiveness Scale; IUS-C, Intolerance of Uncertainty Scale-child report; CON, typical control.

ISSN: 2040-2392