Table 2.

Results from the random coefficients analyses by sample and measure of RSA.

Variable	Sample 1 Task RSA	Sample 2 Task RSA	Sample 2 Rest RSA	Sample 3 Task RSA	Sample 3 Rest RSA
RSA × Time	b = −0.05; t = 1.91*	b = −0.06; t = −2.03*	b = −0.07; t = 2.60*	b = 0.02; t = 0.43	b = 0.03; t = 0.87
RSA	b = 0.09; t = 0.32*	b = 0.20; t = 0.53	b = 0.20; t = 0.57	b = 0.27; t = 0.65	b = 0.21; t = 0.54
Gender	b = 0.97; t = 1.11	b = 0.80; t = 1.05	b = 0.85; t = 1.12	b = 2.77; t = 2.10*	b = 2.29; t = 1.68
Linear	b = −0.96; t = −7.39**	b = −0.52; t = −5.30**	b = −0.51; t = −5.26**	b = −0.14; t = −0.90	b = −0.15; t = −0.91
Quadratic	b = 0.08; t = 6.20**	b = 0.02; t = 1.98*	b = 0.02; t = 2.02*	b = −0.01; t = −0.69	b = −0.01; t = −0.67
Time × Gender	b = −0.11; t = −1.26	b = −0.03; t = −0.43	b = −0.04; t = −0.70	b = −0.14; t = −1.22	b = −0.13; t = −1.06

Note. RSA = respiratory sinus arrhythmia; Task RSA = RSA collected during the startle task; Rest RSA = RSA collected during the resting period.

^*p < .05.

^**p < .01.