The Tooth and Skin Colour Interrelationship across the Different Ethnic Groups

Table 3

Pearson’s correlation coefficient matrix of teeth and skin colour at different locations.

Location	Values	Group 1	Group 2	Group 3	Group 4
Earlobe	𝐿	0.275*	0.192	−0.399**	−0.275
	𝑎	−0.240*	−0.268*	0.348**	0.037
	𝑏	0.029	−0.142	0.479**	−0.341
Forehead	𝐿	0.217	0.271*	−0.415**	0.041*
	𝑎	0.038	−0.164	0.285**	0.024
	𝑏	−0.022	−0.065	0.502**	−0.351
Malar	𝐿	0.186	0.261*	−0.390**	−0.193
	𝑎	0.087	−0.185	0.447**	0.083
	𝑏	0.061	−0.094	0.483**	−0.354

 *Significant at 𝑃=0.05. **Significant at 𝑃=0.01.