Dental Caries in Permanent First Molar and Its Association with Carious Primary Second Molar among 6–11-Year-Old School Children in Sunsari, Nepal

Table 4

Association of decayed primary second and permanent first molar.

Primary second molar	Permanent first molar		p value^c	Crude OR^d	(95% confidence interval)
	D^a = 0	D^a ≥ 1
d^b = 0	119 (64.7%)	59 (13.8%)	<0.01	11.4	7.61–17.22
d^b ≥ 1	65 (35.3%)	369 (86.2%)

^aD = decayed PFMs, ^bd = decayed primary second molar, ^cχ² test, ^dOR unadjusted odds ratio.