| The Index of Relative Socio-Economic Advantage and Disadvantage (IRSAD) |
| Visit 1 |
Lowest Tertile n=495 |
Middle Tertile n=324 |
Upper Tertile n=1,183 |
p value |
| Number of children with at least one 01 surface |
32 (6.5%) |
10 (3.1%) |
62 (5.2%) |
0.10 |
| 02 surface |
227 (45.9%) |
109 (33.6%) |
397 (33.6%) |
<0.01 |
| 03 surface |
70 (14.1%) |
29 (9.0%) |
68 (5.7%) |
<0.01 |
| 04 surface |
61 (12.3%) |
18 (5.6%) |
41 (3.5%) |
<0.01 |
| 05 surface |
62 (12.5%) |
24 (7.4%) |
43 (3.6%) |
<0.01 |
| 06 surface |
22 (4.4%) |
9 (2.8%) |
13 (1.1%) |
<0.01 |
| Fluoride applied |
262 (52.9%) |
116 (35.8%) |
510 (43.1%) |
<0.01 |
| Referral for further dental procedures |
103 (20.8%) |
42 (13.0%) |
113 (9.6%) |
<0.01 |
|