Table 3.

Factors influencing the depth at which the tongue and palate can be cleaned without causing nausea: multiple linear regression (N = 276)

Variable	Palate					Tongue
	β	Standard error	Standardized regression coefficient	t	P-value	β	Standard error	Standardized regression coefficient	t	P-value
Constant	5.642	0.310		17.620	< 0.001	5.563	0.325		17.096	< 0.001
Sex	0.525	0.183	0.176	2.877	0.004	0.394	0.188	0.155	2.535	0.012
BMI	0.334	0.138	0.148	2.420	0.016	0.477	0.145	0.167	2.723	0.007