Research Article
Survey of Occupational Allergic Contact Dermatitis and Patch Test among Clothing Employees in Beijing
Table 5
Prevalence of causative allergens with positive patch test reactions in the clothing employees with OACD by types of work.
| | Causative allergen (concentration) | Sewing workers | Ironing workers | Managers | | No. | (%) | No. | (%) | No. | (%) |
| | Potassium dichromate (0.023 mg cm−2) | 16 | 32 | 3 | 12.5 | 2 | 14.3 | | Epoxy resin (0.05 mg cm−2) | 12 | 24 | 4 | 16.7 | 2 | 14.3 | | -tert-Butylphenol formaldehyde resin (0.045 mg cm−2) | 12 | 24 | 1 | 4.2 | 4 | 28.6 | | Colophony (1.20 mg cm−2) | 12 | 24 | 2 | 8.3 | 4 | 28.6 | | Nickel sulfate (0.20 mg cm−2) | 10 | 20 | 14 | 58.3 | 1 | 7.1 | | Disperse blue 106 (0.05 mg cm−2) | 9 | 18 | 1 | 4.2 | 0 | 0 | | Cobalt dichloride (0.02 mg cm−2) | 8 | 16 | 13 | 54.2 | 0 | 0 | | p-Phenylenediamine (0.08 mg cm−2) | 3 | 6 | 2 | 8.3 | 1 | 7.1 | | Formaldehyde (0.18 mg cm−2) | 2 | 4 | 1 | 4.2 | 1 | 7.1 | | Black rubber mix (0.075 mg cm−2) | 3 | 6 | 0 | 0 | 0 | 0 |
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