Table 1.

Means and SDs of the salivary cortisol levels (μg/dL) at each time point

		Group 1			Group 2
Time points	X̄±SD	95% Confidence interval		X̄±SD	95% Confidence interval		p
		Lower bound	Upper bound		Lower bound	Upper bound
T0	0.39±0.03	0.31	0.47	0.41±0.04b	0.31	0.51	0.684
T1	0.51±0.04	0.41	0.61	0.52±0.06ab	0.38	0.66	0.853
T2	0.50±0.07	0.32	0.68	0.51±0.04ab	0.41	0.61	0.684
T3	0.57±0.07	0.40	0.74	0.59±0.03a	0.50	0.68	0.579
T4	0.46±0.03	0.38	0.55	0.44±0.03b	0.36	0.53	0.684
T5	0.44±0.03	0.35	0.52	0.42±0.05b	0.30	0.53	0.481
T6	0.45±0.05	0.33	0.57	0.42±0.03b	0.34	0.51	0.739
T7	0.38±0.03	0.31	0.45	0.38±0.03b	0.29	0.47	1.000
T8	0.41±0.02	0.35	0.48	0.40±0.02b	0.33	0.47	0.579
p	0.068			0.004**

^**p<0.01; superscript letters indicate the differences between the time points