Table 3.
Distribution of plaque and calculus based on occupation of individual or parent
| Occupation | Plaque | Calculus | ||||
|---|---|---|---|---|---|---|
| Present n (%) |
Absent n (%) |
Total N (%) |
Present n (%) |
Absent n (%) |
Total N (%) |
|
| Skilled | 49 (49.0) | 8 (16.0) | 57 (38.0) | 45 (45.5) | 12 (23.5) | 57 (38.0) |
| Teacher | 18 (18.0) | 20 (40.0) | 38 (25.3) | 19 (19.2) | 19 (37.3) | 38 (25.3) |
| Civil servant | 17 (17.0) | 12 (24.0) | 29 (19.3) | 17 (17.2) | 12 (23.5) | 29 (19.3) |
| Others | 10 (10.0) | 8 (16.0) | 18 (12.0) | 10 (10.1) | 8 (15.7) | 18 (12.0) |
| Unskilled | 6 (6.0) | 2 (4.0) | 8 (5.3) | 8 (8.1) | 0 (0.0) | 8 (5.3) |
| Total | 100 (66.7) | 50 (33.3) | 150 (100) | 99 (66) | 51 (34) | 150 (100) |
| (χ = 18.014, df = 4, p = 0.001) | (χ = 14.29, df = 4, p = 0.006) | |||||