Incidence of asthma following to gender (n=1082) The factories Asthma Allergic asthma femal1 male2 p1, 2 female1 male2 p1, 2 n% n% n% n% Yarn Factory 3 25 11, 6 7 4, 6 0, 018 17 7, 91 5 3, 27 0, 064 Sewing company4 35 6, 6 13 7, 1 0, 811 17 3, 20 7 3, 83 0, 686 Total 60 8, 0 20 6, 0 0, 224 34 4, 56 12 3, 57 0, 457 p3, 4 0, 022 0, 329 0, 005 0, 784 Comment: At the Yarn Factory, the incidence of asthma in women was higher than men (p<0.05).