BioMed Research International

Research Article

Survey of Occupational Allergic Contact Dermatitis and Patch Test among Clothing Employees in Beijing

Table 4

Prevalence of contact allergies (defined as at least one positive reaction in the patch test) to 35 allergens in the TRUE Test in different groups and in total.


Substance (concentration)	Sewing and ironing workers with OCD			Managers with OCD			Total
Substance (concentration)		Prevalence (%)			Prevalence (%)			Prevalence (%)

Epoxy resin (0.05 mg cm⁻²)	16	21.6	0.1–0.3	2	14.3	0.04–0.4	18	20.5	0.1–0.3
Potassium dichromate (0.023 mg cm⁻²)	19	25.7	0.2–0.4	2	14.3	0.04–0.4	21	23.9	0.2–0.3
-tert-Butylphenol formaldehyde resin (0.045 mg cm⁻²)	13	17.6	0.1–0.3	4	28.6	0.1–0.5	17	19.3	0.1–0.3
Nickel sulfate (0.20 mg cm⁻²)	24	32.4	0.2–0.4	1	7.1	0.01–0.3	25	28.4	0.2–0.4
Disperse blue 106 (0.05 mg cm⁻²)	10	13.5	0.08–0.23	0	0		10	11.4	0.06–0.20
Cobalt dichloride (0.02 mg cm⁻²)	21	28.4	0.19–0.39	0	0		21	23.9	0.2–0.3
-Phenylenediamine (0.08 mg cm⁻²)	5	6.8	0.03–0.15	1	7.1	0.01–0.3	6	6.8	0.03–0.14
Colophony (1.20 mg cm⁻²)	14	18.9	0.1–0.3	4	28.6	0.1–0.5	18	20.4	0.1–0.3
Black rubber mix (0.075 mg cm⁻²)	3	4.1	0.01–0.11	0	0		3	3.4	0.01–0.09
Formaldehyde (0.18 mg cm⁻²)	3	4.1	0.01–0.11	1	7.1	0.01–0.3	4	4.6	0.02–0.11
Fragrance mix (0.43 mg cm⁻²)	0	0.0		0	0		0	0
Methyldibromo glutaronitrile (0.005 mg cm⁻²)	0	0.0		0	0		0	0
CI⁺ Me⁻ Isothiazolinone (0.004 mg cm⁻²)	0	0.0		0	0		0	0
Imidazolidinyl urea (0.60 mg cm⁻²)	0	0.0		0	0		0	0
Mercaptobenzothiazole (0.075 mg cm⁻²)	0	0.0		0	0		0	0
2–Bromo–2–nitropropane–1,3–diol (0.25 mg cm⁻²)	0	0.0		0	0		0	0
Ethylenediamine dihydrochloride (0.05 mg cm⁻²)	0	0.0		0	0		0	0
Carba mix (0.25 mg cm⁻²)	0	0.0		0	0		0	0
Caine mix (0.63 mg cm⁻²)	0	0.0		0	0		0	0
Quaternium-15 (0.10 mg cm⁻²)	0	0.0		0	0		0	0
Neomycin sulfate (0.23 mg cm⁻²)	0	0.0		0	0		0	0
Mercapto mix (0.075 mg cm⁻²)	0	0.0		0	0		0	0
Thimerosal (0.007 mg cm⁻²)	0	0.0		0	0		0	0
Thiuram mix (0.025 mg cm⁻²)	0	0.0		0	0		0	0
Diazolidinyl urea (0.55 mg cm⁻²)	0	0.0		0	0		0	0
Quinoline mix (0.19 mg cm⁻²)	0	0.0		0	0		0	0
Tixocortol-21-pivalate (0.003 mg cm⁻²)	0	0.0		0	0		0	0
Gold sodium thiosulfate (0.075 mg cm⁻²)	0	0.0		0	0		0	0
Paraben mix (1.00 mg cm⁻²)	0	0.0		0	0		0	0
Budesonide (0.001 mg cm⁻²)	0	0.0		0	0		0	0
Hydrocortisone-17-butyrate (0.02 mg cm⁻²)	0	0.0		0	0		0	0
Wool alcohols (1.00 mg cm⁻²)	0	0.0		0	0		0	0
Bacitracin (0.60 mg cm⁻²)	0	0.0		0	0		0	0
Parthenolide (0.003 mg cm⁻²)	0	0.0		0	0		0	0
Balsam of Peru (0.80 mg cm⁻²)	0	0.0		0	0		0	0
At least one reaction to one allergen of TURE Test	40	54.1	0.4–0.6	5	35.7	0.2–0.6	45	51.1	0.4–0.6