Table 1.
Distribution of individual characteristics in relation to blood lead levels.
| Characters of studied group | Blood lead level | ||
|---|---|---|---|
| Low <10 μg/dl (n = 22) | High ≥10 μg/dl (n = 38) | Test of significance | |
| No (%) | No (%) | ||
| Age: | |||
| - school children (≥6 years old) | 9 (40.9) | 20 (52.6) | x2 = 0.76 |
| Pre-school children (<6 years old) | 13 (59.1) | 18 (47.4) | P = 0.4 |
| Gender: | |||
| - Male | 9 (40.9) | 23 (60.5) | x2 = 2.15 |
| - Female | 13 (59.1) | 15 (39.5) | P = 0.1 |
| Residency: | |||
| - Urban | 12 (54.5) | 20 (52.6) | x2 = 0.21 |
| - Rural | 10 (45.5) | 18 (47.4) | P = 1.0 |
| Mother education: | |||
| - Education | 3 (13.6) | 4 (10.5) | x2 = 0.15 |
| - Illiterate | 19 (86.4) | 34 (89.5) | P = 0.9 |
| Father education: | |||
| - Education | 3 (13.6) | 4 (10.5) | x2 = 0.34 |
| - Illiterate | 19 (86.4) | 34 (89.5) | P = 0.8 |
| Mother work: | |||
| - Employed | 3 (13.6) | 4 (10.5) | x2 = 0.13 |
| - Unemployed | 19 (86.4) | 34 (89.5) | P = 0.7 |
| Father work: | |||
| - Employed | 16 (72.7) | 28 (73.7) | x2 = 0.07 |
| - Unemployed | 6 (27.3) | 10 (26.3) | P = 0.9 |
| Sources of drinking water: | |||
| - Tap water | 12 (54.5) | 20 (52.6) | x2 = 0.02 |
| - Hand pump water | 10 (45.5) | 18 (47.4) | P = 1.0 |
| Socioeconomic level: | |||
| - Middle | 3 (13.6) | 4 (10.5) | x2 = 0.13 |
| - Low | 19 (86.4) | 34 (89.5) | P = 0.7 |
x2 = chi-square test