Table 3 Odds ratio for demographic variables from TNOMSP relative to severity of OED
Characteristic | Mild dysplasia vs. moderate/severe dysplasia | ||
|---|---|---|---|
Odds ratio | 95% CI | P value | |
Education | |||
 Junior high school | 1 | – | – |
 Senior high school or above | 0.03 | 0.01–0.15 | < 0.001 |
Betel history | |||
 Never or ex-users | 1 | – | – |
 Current users | 6.57 | 1.17–37.0 | 0.033 |