From: The relationship between video display terminals (VDTs) usage and dermatologic manifestations : a cross sectional study
Age(year)
Male
Female
Sum
25–29
15
10
25
30–34
48
41
89
35–39
64
57
121
40–44
95
56
151
45–49
99
66
165
50–54
20
45
55–59
3
1
4
349
251
600