Table 3: Frequency of blood leads level by distance from house and road with high traffic.
|
Variance |
Number of children (%) |
Values(arithmetic mean ± standard deviation) |
Values (geometric mean) |
|
< 100 m |
57 (57) |
92.38 ± 46.31 |
83.18 |
|
> 100 m |
43 (43) |
116.22 ± 42.89 |
108.99 |