Table 2.

Dental caries of stone mine workers of different age groups

Age groups (N = 150)	DMFT (mean ± SD)	DMFT (mean)	F value	p
17–26 (140)	2.40 ± 0.6	3	29.707	< 0.001
27–36 (187)*	2.76 ± 1.12
37–46 (120)*,†	3.59 ± 1.23
47–56 (63)*,‡	2.80 ± 1.11

DMFT, decayed, missing, filled teeth; SD, standard deviation.

* p < 0.05 versus 17–26-year age group, with Tukey's multiple comparison test.

^†p < 0.05 versus 27–36-year age group, with Tukey's multiple comparison test.

^‡p < 0.05 versus 37–46-year age group, with Tukey's multiple comparison test.