Table 2 General characterization of children studied 60 months in Torreon, Mexico.
From: Follow-up study on lead exposure in children living in a smelter community in northern Mexico
Time of Follow-up (months) | ||||
|---|---|---|---|---|
Variable | 0 | 6 | 12 | 60 |
n | 598 | 517 | 481 | 232 |
Female (%) | 47.6 | 46.5 | 46.4 | 47.6 |
Age (yr)a | 7.2 ± 0.33 | 7.7 ± 0.39 | 8.2 ± 0.37 | 12.2 ± 0.34 |
weight (Kg)a | 24.6 ± 5.2 | 26.8 ± 5.8 | 28.8 ± 6.5 | 48.1 ± 12.1 |
Height (cm)a | 120.7 ± 5.3 | 123.8 ± 5.5 | 126.9 ± 5.6 | 151.9 ± 7.0 |
BMI*b | 16.2 (13.0 - 29.2) | 16.8 (13.0 - 30.5) | 17.1 (13.2 - 30.3) | 20.6 (12.2 - 35.8) |
BMI % < 1 SD | 8.1 | 8.8 | 12.2 | 15.3 |
BMI % > 1 SD | 17.7 | 11.5 | 14.8 | 16.2 |