# Table 4 Distribution of plaque and calculus in different occupations/father’s occupation by age groups

Age Occupation Plaque Calculus
Present
n (%)
Absent
n (%)
Total (50)
N (%)
Present
n (%)
Absent
n (%)
Total (50)
N (%)
5–6 years Unskilled 4 (10.3) 0 (0.0) 4 (8.0) 4 (11.8) 0 (0.0) 4 (8.0)
Skilled 31 (79.5) 4 (36.4) 35 (70.0) 27 (79.4) 8 (50.0) 35 (70.0)
Teacher 0 (0.0) 3 (27.3) 3 (6.0) 1 (2.9) 2 (12.5) 3 (6.0)
Civil servant 2 (5.1) 2 (18.2) 4 (8.0) 0 (0) 4 (25.0) 4 (8.0)
Others 2 (5.1) 2 (18.2) 4 (8.0) 2 (5.9) 2 (12.5) 4 (8.0)
12 years Unskilled 1 (2.3) 2 (28.6) 3 (6.0) 3 (7.0) 0 (0.0) 3 (6.0)
Skilled 17 (39.5) 2 (28.6) 19 (38.0) 17 (39.5) 2 (50.0) 19 (38.0)
Teacher 9 (20.9) 1 (14.3) 10 (20.0) 8 (18.6) 2 (12.5) 10 (20.0)
Civil servant 8 (18.6) 0 (0.0) 8 (16.0) 8 (18.6) 0 (0.0) 8 (16.0)
Others 8 (18.6) 2 (28.6) 10 (20.0) 7 (16.3) 3 (12.5) 10 (20.0)
35–44 years Unskilled 1 (5.6) 0 (0.0) 1 (2.0) 1 (4.5) 0 (0.0) 4 (8.0)
Skilled 1 (5.6) 2 (6.3) 3 (6.0) 1 (4.5) 2 (7.1) 3 (6.0)
Teacher 9 (50.0) 16 (50.0) 25 (50.0) 10 (45.5) 15 (53.6 25 (50.0)
Civil servant 7 (38.9) 10 (31.3) 17 (34.0) 9 (40.9) 8 (28.6) 17 (34.0)
Others 0 (0.0) 4 (12.5) 4 (8.0) 1 (4.5) 3 (10.7) 4 (8.0)