Table 2. Comparison of mean DMFT score with demographic variables of study participants.
| Variables | Mean ± SD | Median | IQ range | P value |
|---|---|---|---|---|
| Age groups (in years) | ||||
| 18-40 (n = 232) | 2.66 ± 3.39 | 1.00 | 4.00 | <0.001*‡ |
| 41-60 (n = 228) | 5.28 ± 5.390 | 4.00 | 7.00 | |
| 61-80 (n = 106) | 10.72 ± 8.843 | 9.00 | 13.00 | |
| >80 (n = 7) | 19.29 ± 9.62 | 16.00 | 16.00 | |
| Gender | ||||
| Male (n = 534) | 5.22 ± 6.485 | 3. 00 | 6.00 | 0.002†§ |
| Female (n = 39) | 7.77 ± 6.188 | 7.00 | 9.00 | |
| Period of incarceration | ||||
| <5 years (n = 321) | 4.43 ± 5.45 | 3.00 | 7.00 | 0.001†‡ |
| 5 to 10 years (n = 144) | 6.97 ± 7.69 | 4.00 | 10.00 | |
| >10 years (n = 108) | 6.19 ± 7.10 | 4.00 | 7.00 | |
Note. *P <0,001: Highly Significant. †P <0.05: Significant. ‡Kruskal Wallis test. §Mann Whitney test. DMFT: Decayed, Missing, Filled Tooth Index; SD: Standard Deviation; IQ: Interquartile Range.