Table 5.
Geometric means of blood lead levels by Korean industry division (Non-manufacturing; 2003–2011)
| KSIC-9 code | Industry division | n | GM (μg/dL; 95% CI) |
|---|---|---|---|
| 42 |
Special Trade Construction |
2201 |
6.07 (5.88-6.27) |
| 38 |
Waste Collection, Disposal and Materials Recovery |
1093 |
5.58 (5.27-5.92) |
| 46 |
Wholesale Trade and Commission Trade, Except Motor Vehicles and Motorcycles |
1321 |
4.98 (4.76-5.22) |
| 96 |
Other Personal Services Activities |
3168 |
4.71 (4.58-4.84) |
| 84 |
Public Administration and Defense; Compulsory Social Security |
2211 |
4.32 (4.16-4.48) |
| 75 |
Business Support Services |
3502 |
4.29 (4.17-4.42) |
| 61 |
Telecommunications |
9267 |
4.19 (4.13-4.25) |
| 41 |
General Construction |
1615 |
4.08 (3.94-4.23) |
| 95 |
Maintenance and Repair Services |
38864 |
4.04 (4.02-4.06) |
| 63 |
Information Service Activities |
1686 |
3.93 (3.84-4.01) |
| 52 |
Storage and Support Activities for Transportation |
1542 |
3.61 (3.48-3.74) |
| 86 |
Human Health |
3106 |
3.02 (2.95-3.10) |
| 49 |
Land Transport; Transport Via Pipelines |
10213 |
2.74 (2.71-2.77) |
| Total | 79789 | 3.92 (3.90-3.94) |
KSIC-9, Korean Standard Industrial Classification; GM, geometric mean; CI, confidence interval.