Table 4.

Sub-group analysis of salivary pH and salivary cortisol for gender.

Variable	Gender	Between groups
		Mean square	F value	p value
Salivary pH	Male	0.023	0.426	0.658
	Female	0.228	3.084	0.074
Salivary cortisol	Male	9.503	7.936	0.002
	Female	13.45	18.28	0.000