BioMed Research International / 2017 / Article / Tab 5

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)1632312.5214.3
Epoxy resin (0.05 mg cm−2)1224416.7214.3
-tert-Butylphenol formaldehyde resin (0.045 mg cm−2)122414.2428.6
Colophony (1.20 mg cm−2)122428.3428.6
Nickel sulfate (0.20 mg cm−2)10201458.317.1
Disperse blue 106 (0.05 mg cm−2)91814.200
Cobalt dichloride (0.02 mg cm−2)8161354.200
p-Phenylenediamine (0.08 mg cm−2)3628.317.1
Formaldehyde (0.18 mg cm−2)2414.217.1
Black rubber mix (0.075 mg cm−2)360000

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