Table 1

The status of early childhood caries of different ages, genders and residences

Age groupVariablesNumber of subjects n (%)Per cent affected (dmft>0)
% (95% CI)
Filling rate
% (95% CI)
Mean (SD) dmftSiC (SD)
36–47 monthsGender
 Male2283 (15.3)41.9 (39.9, 43.9)2.8 (2.3, 3.3)1.7 (3.0)4.9 (3.5)
 Female1867 (12.5)41.2 (39.0, 43.5)3.5 (2.9, 4.2)1.7 (3.1)4.9 (3.6)
Residence
 Central region2358 (15.8)37.1 (35.2, 39.1)2.6 (2.1, 3.1)1.5 (2.9)4.8 (3.5)
 Non-central region1792 (12.0)47.5 (45.2, 49.9)3.6 (3.0, 4.3)2.0 (3.2)4.9 (3.6)
Total4150 (27.9)41.6 (40.1, 43.1)3.1 (2.7, 3.5)1.7 (3.0)4.9 (3.6)
48–59 monthsGender
 Male2705 (18.2)56.0 (54.2, 57.9)6.7 (6.1, 7.3)2.8 (3.8)7.1 (3.8)
 Female2261 (15.2)58.5 (56.4, 60.5)7.4 (6.8, 8.1)2.9 (3.9)7.2 (3.8)
Residence
 Central region2811 (18.9)52.4 (50.6, 54.3)7.5 (6.8, 8.1)2.4 (3.5)6.8 (3.6)
 Non-central region2155 (14.5)63.3 (61.3, 65.3)6.7 (6.1, 7.2)3.4 (4.2)7.6 (3.9)
Total4966 (33.4)57.1 (55.8, 58.5)7.0 (6.6, 7.5)2.8 (3.9)7.2 (3.8)
60–71 monthsGender
 Male2986 (20.1)63.8 (62.1, 65.5)9.5 (9.0, 10.1)3.6 (4.3)8.8 (3.7)
 Female2781 (18.7)66.7 (65.0, 68.5)9.4 (8.8, 9.9)3.7 (4.3)8.6 (3.7)
Residence
 Central region3313 (22.3)61.4 (59.8, 63.1)10.7 (10.1, 11.3)3.2 (4.1)8.6 (3.8)
 Non-central region2454 (16.5)70.3 (68.5, 72.1)8.2 (7.6, 8.7)4.2 (4.5)8.8 (3.6)
Total5767 (38.7)65.2 (64.0, 66.4)9.5 (9.1, 9.8)3.6 (4.3)8.7 (3.7)
36–71 monthsGender
 Male7974 (53.6)54.9 (53.8, 56.0)7.4 (7.0, 7.7)3.1 (4.1)7.3 (3.8)
 Female6909 (46.4)57.1 (56.0, 58.3)7.8 (7.4, 8.2)3.1 (4.1)7.3 (3.8)
Residence
 Central region8482 (57.0)51.7 (50.6, 52.7)8.3 (7.9, 8.6)2.9 (4.0)7.0 (3.8)
 Non-central region6401 (43.0)61.6 (60.4, 62.8)6.9 (6.5, 7.2)3.3 (4.2)7.5 (3.9)
Total14 883 (100.0)55.9 (55.1, 56.7)7.6 (7.3, 7.8)2.8 (3.9)7.3 (3.8)
  • dmft, decayed–missing–filled teeth; SiC, Significant Caries Index.