Caries Distribution, Prevalence, and Treatment Needs among 12–15-Year-Old Secondary School Students in Port Harcourt, Rivers State, Nigeria

Table 1

Mean DMFT scores according to gender, age, and socioeconomic class of the students.

Variable	Frequency	Percentage	Mean DMFT ± SD
Age in years
12	66	33.9	0.21 ± 0.60
13	56	28.7	0.23 ± 0.64
14	39	20.0	0.27 ± 0.61
15	34	17.4	0.29 ± 0.80
Total	195	100	0.25 ± 0.66
Sex
Male	89	45.6	0.22 ± 0.60
Female	106	54.4	0.26 ± 0.71
Total	195	100	0.25 ± 0.66
Parent socioeconomic status
Class I	31	15.9	0.29 ± 0.74
Class II	95	48.7	0.24 ± 0.65
Class III	10	5.1	0.16 ± 0.45
Class IV	59	30.3	0.10 ± 0.32
Total	195	100	0.25 ± 0.66