Nonexposed group

(Administration workers)

n (%)

Exposed group

(Laboratory workers)

n (%)

Gender

Female

113 (79.6)

29 (76.3)

Male

29 (20.4)

9 (23.7)

Age group

21 - 29

50 (35.2)

16 (44.4)

30 - 39

60 (42.3)

16 (4.4)