Table 5 Pearson correlation coefficient between OHIP-J14 summary score and number of missing teeth and point-biserial correlation coefficient between OHIP-J14 summary score and denture status (with RPD/without RPD)
From: Oral health in the Japan self-defense forces - a representative survey
Characteristic | Pearson correlation coefficient | P value | Point-biserial correlation coefficient | P value | |
|---|---|---|---|---|---|
age groups | |||||
15-24 yrs | 161 | 0.06 | 0.49 | 0.05 | 0.55 |
25-34 yrs | 285 | 0.05 | 0.35 | 0.10 | 0.10 |
35-44 yrs | 258 | 0.25 | 0.01 | 0.09 | 0.16 |
45-59 yrs | 207 | 0.25 | 0.01 | 0.15 | 0.03 |
Males | 851 | 0.22 | 0.01 | 0.17 | 0.00 |
Females | 60 | 0.27 | 0.04 | 0.24 | 0.06 |