Table 4: Prevalence of dental caries according to socioeconomic (S-E) status
| Children free of caries | Children with caries | dmft | DMFT | ||||||||||||||||
| S-E status | No. of children examined | N | % | N | % | Mean | SD | Mean | SD | ||||||||||
| Low | 503 | 192 | 38.2 | 311 | 61.8 | 2.13 | 2.27 | 1.24 | 1.34 | ||||||||||
| High | 497 | 253 | 50.9 | 244 | 49.1 | 1.42 | 1.89 | 0.80 | 1.22 | ||||||||||
SD: Standard deviation; Caries prevalence: Chi-square test = 16.415, p = 0.000; dmft: t-test = 5.301, p = 0.000; DMFT: t-test = 5.418, p = 0.000