Table 6.

Summary of responses to item 7 to 11 of "Perception of oral condition" and their relationship with plaque score.

Perception of oral condition Items	Responses and binarization†	Relationship with plaque score
7. How much do you follow your dentist's or dental hygienist's advice on oral hygiene care? n = 65		P = 0.0101
Always	21 (33)
Sometimes	27 (42)
Not very much	5 (8)
Never	11 (17)
8. How important is the prevention of cavities or gum diseases for you? n = 65		NS
Very important	58 (89)
Somewhat important	7 (11)
Not at all important	0 (0)
10. Are you willing to take on new challenges and/or change your daily routine? n = 63		NS
Yes	47 (75)
No	16 (25)
11. To what degree do you feel that the actions you take have an impact on your own oral health? n = 63		NS
My actions play a significant role	45 (72)
Not sure either way	16 (25)
I cannot do much about it	2 (3)

Values are expressed in n (%). Items subjected to the statistical analysis were shown.

† Responses were grouped as shown and compared with two categories of PCR (≥ 40% vs. < 40%) by Fisher's exact test. P-values less than 0.05 were considered statistically significant.

NS; not significant