Table 4

Within-group analyses of the pattern of change in cortisol over time^*

Parameter	Autism group				Typical group

	Estimate	SEM	Wald statistic	p value	Estimate	SEM	Wald statistic	p value
Morning time trend	−0.093	0.029	−3.21	0.001	0.014	0.189	0.72	0.47
Arrival at Mock 2minus day 6 afternoon level	0.355	0.172	2.06	0.04	0.658	0.116	5.68	< 0.001
Arrival at Mock 2minus arrival at Mock 1	0.315	0.191	1.65	0.99	0.571	0.129	4.43	< 0.001
20 min after Mock 2 MRI minus arrival	−0.306	0.210	−1.46	0.15	−0.292	0.140	−2.09	0.04
40 min after Mock 2 MRI minus arrival	−0.229	0.210	−1.09	0.28	−0.428	0.140	−3.06	0.002