Hypomineralisation Second Primary Molar | |||||
---|---|---|---|---|---|
Variables | Present n = 27 n (%) | Absent n = 442 n (%) | Total N = 469 N (%) | X 2 | P value |
Age (years) | |||||
8 | 10(37.0) | 168(38.0) | 178(40.3) | 2.86 | 0.41 |
9 | 10(37.0) | 105(23.8) | 115(26.0) | ||
10 | 7(25.9) | 169(38.2) | 176(39.8) | ||
Sex | |||||
Female | 10(37.0) | 204(46.2) | 214(45.6) | 0.85 | 0.06 |
Male | 17(63.0) | 238(53.8) | 255(54.4) | ||
Socioeconomic status | |||||
High | 10(37.0) | 188(42.5) | 198(42.2) | 0.32 | 0.67 |
Middle | 6(22.2) | 90(20.4) | 96(20.7) | ||
Low | 11(40.7) | 164(37.1) | 175(37.3) |