Table 2. Assessment of inter-rater reliability.

		Cronbach’s alpha		ICC average		ICC single
		Coefficient	95% CI, LL	Coefficient	95% CI, LL	Coefficient	95% CI, LL
En face	Lay raters	0.911	0.883	0.860	0.796	0.380	0.281
	Professionals	0.883	0.845	0.824	0.737	0.401	0.286
Profile	Lay raters	0.89	0.856	0.809	0.717	0.298	0.202
	Professionals	0.827	0.771	0.733	0.611	0.282	0.183

Note:

CI, confidence interval; LL, lower limit.