Table 1.
US |
Denmark |
||||
---|---|---|---|---|---|
Study | PITT | IFS | IHS | US total | DNBC |
Sample size | 724 | 405 | 176 | 1305 | 1695 |
Mean age (yrs) | 7.3 | 5.1 | 4.1 | 6.2 | 5.3 |
Age range (yrs) | 3.0 to 12.0 | 3.0 to 8.0 | 3.0 to 8.0 | 3.0 to 12.0 | 2.4 to 7.7 |
Caries prevalence (%) | 57.1 | 34.8 | 36.4 | 46.9 | 38.1 |
Low fluoride (%) | 42.8 | 33.0 | NA | 37.6 | NA |
Low fluoride indicates home water source fluoride level < 0.7 mg/L.