BioMed Research International / 2017 / Article / Tab 1

Research Article

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

Table 1

Demographics and occupational characteristics of the 529 clothing employees.

Sewing workers Ironing workersManagersTotal value

Number = 300 = 72 = 157 = 529
Mean age (years; M ± SD)33.3 ± 8.535.8 ± 7.834.2 ± 9.333.92 ± 8.7
Median (range)32 (16–57)35 (20–50)33 (17–56)33 (16–57)0.062
(% of females)137 (45.7%)31 (43.1%)63 (40.1%)231 (43.7%)0.523
Mean duration of work (years)10.7 ± 7.011.9 ± 6.510.5 ± 7.310.8 ± 7
Median (range)10 (1–30)10 (1–28)10 (1–30)10 (1–30)0.204
Mean working hours per day13.9 ± 1.213.5 ± 1.311.8 ± 1.613.2 ± 1.6
Median (range)14 (10–16)14 (10–16)12 (10–16)14 (10–16)<0.001

Chi-square test.
Kruskal–Wallis test.
Difference between occupational groups is significant ().

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