Table 9.

The effect of sex and size on the chin and symphysis (males n=203, females n=216).

Dependent Variable		Independent Variables				Model Summary #
		Sex		Size (MGM)		R2	p-Value *
		R2 a	p-Value *,b	R2 a	p-Value *,b
Chin	Thickness	0.01	0.034	0.06	<0.001	0.07	<0.001
	CSA	0.02	0.003	0.10	<0.001	0.12	<0.001
	Height	0.02	0.001	0.14	<0.001	0.16	<0.001
	Width	0.16	<0.001	0.02	0.005	0.18	<0.001
Symphysis	Thickness	0.00	0.879	0.24	<0.001	0.24	<0.001
	Height	0.04	<0.001	0.27	<0.001	0.31	<0.001
	CSA	0.00	0.299	0.33	<0.001	0.33	<0.001

Note: ^# Linear regression forward method; ^a R-squared (R²) change; ^b p-value change; * Significant p-values (p < 0.05) are denoted in bold. CSA-cross-sectional area; MGM- mandibular geometric mean.