Table 1 Characteristics of children aged 1.5-10y in NDNS (2008–10)
| Â | n | Mean (S.D) |
|---|---|---|
Age | 642 | 5.3 (2.8) |
Sex | n | % |
Male | 327 | 50.9 |
Female | 315 | 49.1 |
Age group | Â | Â |
1.5-3y | 219 | 34.1 |
4-6y | 192 | 29.9 |
7-10y | 231 | 36.0 |
Mean EOs per day | n | Mean (S.D) |
1.5-3y | 219 | 4.4 (2.7) |
4-6y | 192 | 4.0 (2.3) |
7-10y | 231 | 4.0 (2.4) |
All ages | 642 | 4.1 (2.5) |