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Table 5 Geometric means of blood lead levels by Korean industry division (Non-manufacturing; 2003–2011)

From: Blood lead levels of Korean lead workers in 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)
  1. KSIC-9, Korean Standard Industrial Classification; GM, geometric mean; CI, confidence interval.