|
Socio-demographic characteristics of children by blood lead concentration |
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| Blood lead concentration (μg/L) |
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|
|
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| <100 (N = 242) n(%) |
> = 100 (N = 39) n(%) |
Total (N = 281) n(%) |
P-value |
|
|
|
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| Blood lead concentration (μg/L) |
||||
| < 50 |
59 (24.4) |
– |
59 (21.0) |
|
| 50 – 99 |
183 (75.6) |
– |
183 (65.1) |
|
| 100 – 149 |
– |
36 (92.3) |
36 (12.8) |
|
| 159 – 199 |
– |
3 (7.7) |
3 (1.1) |
|
| Mean B-Pb (Range) |
58.3 (10 – 90) |
113.8 (100 – 160) |
66.0 (10 – 160) |
|
| Age (months) |
||||
| 11 – 23 |
125 (51.7) |
17 (43.6) |
142 (50.5) |
0.35 |
| 24 – 44 |
117 (48.3) |
22 (56.4) |
139 (49.5) |
|
| Mean age (SD) |
22.9 (8.6) |
24.8 (8.7) |
23.1 (8.6) |
0.19 |
| Gender |
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| Males |
127(52.5) |
21(53.8) |
148 (52.7) |
0.87 |
| Type of clinic |
||||
| Outpatient |
170 (70.8) |
33 (84.6) |
203 (72.8) |
0.07 |
| Private |
70 (29.2) |
6 (15.4) |
76 (27.2) |
|
| Mother's Education |
||||
| Up to middle school |
107 (44.4) |
27(69.2) |
134(47.9) |
0.004 |
| Secondary and above |
134 (55.6) |
12(30.8) |
146(52.1) |
|
| Father's Education |
||||
| Up to middle school |
109(45.6) |
29(74.4) |
138(49.6) |
0.001 |
| Secondary and above |
130(54.4) |
10(25.6) |
140 (50.4) |
|
| Mother's work |
||||
| Housewife |
200 (82.6) |
34 (87.2) |
234 (83.3) |
0.009 |
| Non-manual |
39 (16.1) |
2 (5.1) |
41 (14.6) |
|
| Manual |
3 (1.2) |
3 (7.7) |
6 (2.1) |
|
| Father's work |
||||
| Non-manual* |
137(56.8) |
9 (23.1) |
146(52.1) |
0.001 |
| Manual |
104(43.2) |
30(76.9) |
134(47.9) |
|
| Number of siblings |
||||
| 0 |
81(33.5) |
12(30.8) |
93(33.1) |
0.84 |
| 1–2 |
118(48.8) |
21(53.8) |
139(49.5) |
|
| >= 3 |
43(17.8) |
6(15.4) |
49(17.4) |
|
| Family monthly income (US $) |
||||
| < 200 |
11 (4.5) |
5 (12.8) |
16 (5.7) |
0.004 |
| 200 – 499 |
99 (40.9) |
17 (43.6) |
116 (41.3) |
|
| 500 – 999 |
71 (29.3) |
16(41.0) |
87(31.0) |
|
| >= 1000 |
61 (25.2) |
1 (2.6) |
62 (22.1) |
|
|
Note: Missing data in some variables. * Non-manual includes 4 who are not working. | ||||
Nuwayhid et al. Environmental Health: A Global Access Science Source 2003 2:5 doi:10.1186/1476-069X-2-5 |
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