Table 2.

Comparison of performances and overall scores between face-to-face interview (FTFI) and self-administrated questionnaire (SAQ) groups

Performances	FTFI group (n = 72)		SAQ group (n = 72)		p value
	Mean	S.D.	Mean	S.D.
Eating	0.51	1.10	0.38	0.96	0.403
Speaking	0.40	1.35	0.29	0.97	0.507
Cleaning mouth	0.22	0.56	0.60	1.53	0.453
Sleeping	0.15	0.60	0.07	0.31	0.494
Emotion	0.11	0.36	0.10	0.34	0.775
Smiling	0.57	1.61	0.58	1.55	0.991
Studying	0.03	0.17	0.03	0.17	1.000
Social contact	0.28	0.74	0.24	0.86	0.206
Overall impacts	3.16	5.05	3.16	5.33	0.589

Mann-Whitney test was used