Research Article
Molar Incisor Hypomineralization, Prevalence, and Etiology
Table 2
Sample demographics.
| | Variables | MIH
(%) | Non-MIH
(%) | Total
(%) | | -value |
| | Gender | | | | | | | Male | 13 (9.7%) | 121 (90.3%) | 134 (50.2%) | 0.404 | 0.525 | | Female | 10 (7.5%) | 123 (92.5%) | 133 (49.8%) | | Age group (years) | | | | | | | 8 | 7 (7.4%) | 88 (92.6%) | 95 (35.6%) | 2.018 | 0.732 | | 9 | 4 (6.1%) | 62 (93.9%) | 66 (24.7%) | | 10 | 4 (9.5%) | 38 (90.5%) | 42 (15.7%) | | 11 | 4 (12.1%) | 29 (87.9%) | 33 (12.4%) | | 12 | 4 (12.9%) | 27 (87.1%) | 31 (11.6%) | | Nationality | | | | | | | Saudi | 14 (9.3%) | 137 (90.7%) | 151 (56.6%) | 0.191 | 0.662 | | Non-Saudi | 9 (7.8%) | 107 (92.2%) | 116 (43.4%) | | Father’s education | | | | | | | Graduate education | 4 (19.0%) | 17 (81.1%) | 21 (7.9%) | 3.716 | 0.446 | | University | 5 (7.0%) | 66 (93.0%) | 71 (26.6%) | | Diploma | 6 (7.7%) | 72 (92.3%) | 78 (29.2%) | | Secondary | 5 (7.0%) | 66 (93.0%) | 66 (26.6%) | | Primary | 3 (11.5%) | 23 (88.5%) | 23 (9.7%) | | Mother’s education | | | | | | | Graduate education | 1 (10.0%) | 9 (90.0%) | 10 (3.7%) | 1.039 | 0.959 | | University | 5 (9.3%) | 49 (90.7%) | 54 (20.2%) | | Diploma | 6 (7.0%) | 80 (93.0%) | 86 (32.2%) | | Secondary | 9 (9.7%) | 84 (90.3%) | 93 (34.8%) | | Primary | 2 (10.5%) | 17 (89.5%) | 19 (7.1%) | | No education | 0 (0.0%) | 5 (100.0%) | 5 (1.9%) | | Family income/Saudi Riyals/month | | | | | | | Low (<5,000) | 12 (8.0%) | 138 (92.0%) | 150 (56.2%) | 1.033 | 0.597 | | Medium (5,0000–10,000) | 6 (7.7%) | 72 (92.3%) | 78 (29.2%) | | High (>10,000) | 5 (12.8%) | 34 (87.2%) | 39 (14.6%) |
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