Table 4.
Rank distribution of children 8–12 years of age based on growth and development factors.
| Distribution (%)a |
||||||
|---|---|---|---|---|---|---|
| Indicator, group | n | Lower | Lower medial | Medial | Upper medial | Upper |
| Height | ||||||
| Medium-As | 107 | 7.5 | 18.7 | 70.1 | 3.7 | 0 |
| High-fluoride* | 278 | 7.2 | 28.4 | 60.1 | 2.9 | 1.4 |
| High-As | 190 | 7.9 | 21.6 | 67.4 | 3.2 | 0 |
| Control* | 205 | 5.4 | 20.0 | 65.9 | 5.9 | 2.9 |
| Weight | ||||||
| Medium-As | 107 | 0.9 | 15.9 | 75.7 | 3.7 | 3.7 |
| High-fluoride | 278 | 0.4 | 14.0 | 77.0 | 5.8 | 2.9 |
| High-As* | 190 | 0 | 18.4 | 78.9 | 2.6 | 0 |
| Control* | 205 | 1.0 | 5.4 | 81.5 | 6.3 | 5.9 |
| Chest circumference | ||||||
| Medium-As | 106 | 0 | 10.4 | 82.1 | 4.7 | 2.8 |
| High-fluoride | 278 | 0.7 | 13.3 | 79.1 | 5.4 | 1.4 |
| High-As | 190 | 0 | 11.6 | 82.1 | 5.8 | 0.5 |
| Control | 205 | 1.0 | 16.1 | 75.1 | 4.9 | 2.9 |
| Lung capacity | ||||||
| Medium-As* | 89 | 0 | 7.9 | 88.8 | 2.2 | 1.1 |
| High-fluoride | 277 | 0 | 5.1 | 78.7 | 13.0 | 3.2 |
| High-As | 108 | 0 | 3.7 | 86.1 | 8.3 | 1.9 |
| Control* | 205 | 1.5 | 7.8 | 64.9 | 19.0 | 6.8 |
n = number of children tested.
a
Values are based on percent of median value for each indicator.
*
Significant difference, p < 0.05.