Research Article
Dental Caries, and Supragingival Plaque and Calculus among Students, Tanga, Tanzania
Table 4
Distribution of students supragingival plaque score by district, age, and sex () (percentages in parenthesis).
| | | Plaque free | With Plaque | Total | | | | % | | % | | % |
| | District | Tanga | 119 | (58.3) | 275 | (47.3) | 394 | (50.2) | | Lushoto | 85 | (41.7) | 306 | (52.7)** | 391 | (49.8) | | Age group | 14–17 | 148 | (72.8) | 400 | (68.8) | 548 | (69.8) | | (years) | 18+ | 56 | (27.2) | 181 | (31.2) | 237 | (30.2) | | Sex | M | 85 | (41.7) | 305 | (52.5)** | 390 | (49.7) | | F | 119 | (58.3) | 276 | (47.5) | 395 | (50.3) |
| | Total | | 204 | (26.0) | 581 | (74.0) | 785 | (100.0) |
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Chi-square test: .
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