Table 4 Comparison of self-reported and clinically-examined numbers of teeth by oral condition and oral hygiene
From: Validity of self-reported number of teeth and oral health variables
Male (n = 889) | Female (n = 612) | |||||
|---|---|---|---|---|---|---|
n | ρ a | p-value | n | ρ a | p-value | |
Oral condition | ||||||
Clinically-examined number of teeth | ||||||
0 ~ 19 | 70 | 0.72 | <0.01 | 31 | 0.65 | <0.01 |
20 ~ 32 | 819 | 0.63 | <0.01 | 581 | 0.64 | <0.01 |
CPI | ||||||
0 | 54 | 0.62 | <0.01 | 91 | 0.62 | <0.01 |
1,2 | 608 | 0.68 | <0.01 | 439 | 0.65 | <0.01 |
3,4 | 227 | 0.78 | <0.01 | 79 | 0.75 | <0.01 |
Oral hygiene | ||||||
Frequency of tooth brushing | ||||||
Once a day | 249 | 0.71 | <0.01 | 55 | 0.69 | <0.01 |
Twice a day | 480 | 0.69 | <0.01 | 312 | 0.69 | <0.01 |
3 or more times a day | 160 | 0.74 | <0.01 | 245 | 0.65 | <0.01 |
Frequency of dental scaling visit | ||||||
None | 453 | 0.69 | <0.01 | 259 | 0.74 | <0.01 |
Once or twice a year | 326 | 0.66 | <0.01 | 265 | 0.58 | <0.01 |
3 or more times a year | 110 | 0.80 | <0.01 | 88 | 0.65 | <0.01 |