TABLE 4.

Caries incidence of PFMs during the intervention period (binary logistic regression)

Interventions	OR	95% CI	P-value	Multiple comparisons
Group			0.013	(1) > (2), (3)
TFV (1)	2.86	1.33, 6.14	0.007
TFV + OHE (3)	1.25	0.55, 2.86	0.590
OHE (2)a

^a Reference group. CI: confidence interval; OHE: oral health education; OR: odds ratio; PFMs: permanent first molars; TFV: topical fluoride varnish. Note: children’s gender, ethnic groups, parents’ education level, parents’ employment status, and family household income were adjusted.