Journal of Dental Hygiene Science

Table. 4.

Differences in Questions Regarding PT-PRF_IC According to General Characteristics of Participants

General characteristic	Category	Q3		Q4		Q5		Q6		Q7
General characteristic	Category	Mean±SD	F (p-value)*	Mean±SD	F (p-value)*	Mean±SD	F (p-value)*	Mean±SD	F (p-value)*	Mean±SD	F (p-value) *
Age (y)	<27	4.72±0.57	2.152 (0.094)	4.25±1.00^a	2.784 (0.041)	4.14±1.27^a	3.102 (0.027)	3.64±1.42^a	3.536 (0.015)	3.08±1.38^a	5.518 (0.001)
	27∼31	4.53±0.73		4.14±0.89^a		4.23±0.96^a		3.91±1.17^ab		3.47±1.37^ab
	32∼36	4.75±0.54		4.36±0.86^a		4.59±0.68^a		4.28±0.85^ab		3.95±1.02^b
	≥37	4.68±0.56		4.55±0.69^a		4.51±0.88^a		4.23±1.01^b		3.96±1.06^b
Form of work institution	Dental clinic	4.74±0.49	8.635 (0.004)	4.28±0.94	0.013 (0.910)	4.38±1.02	0.171 (0.679)	3.90±1.23	3.672 (0.056)	3.40±1.36	9.928 (0.002)
Form of work institution	Dental hospital level or higher	4.51±0.77	8.635 (0.004)	4.29±0.80	0.013 (0.910)	4.33±0.86	0.171 (0.679)	4.17±0.97	3.672 (0.056)	3.89±1.12	9.928 (0.002)
Monthly pay (1,000 won)	<220	4.78±0.45	3.663 (0.013)	4.38±0.88	1.122 (0.341)	4.35±1.08	1.582 (0.194)	4.10±1.26	0.998 (0.394)	3.68±1.28	0.130 (0.942)
	220∼260	4.59±0.72		4.20±0.95		4.39±0.91		4.02±1.02		3.61±1.25
	260∼300	4.46±0.73		4.22±0.83		4.17±0.97		3.83±1.22		3.63±1.34
	>300	4.79±0.42		4.45±0.71		4.61±0.66		4.21±0.93		3.52±1.28

PT-PRF_IC: pre-treatment infection control practices.

*Statistical significance between categories was analyzed using t-tests or one-way ANOVA.

Q3: Do you enter the dental practice wearing a mask?

Q4: Do you enter the dental practice after using hand sanitizer?

Q5: Do you measure the patient's temperature with a non-contact thermometer before entering the dental practice?

Q6: Do you minimize entrances and exits to control the flow of patients through the practice?

Q7: Do you practice physical distancing of at least 1 m in patient waiting rooms?

^a,bDifferent letter indicates are significant difference at a=0.05 by Scheffé test.