Table 1

Age, occurrence of atopy, and smoking habits among hairdressers and a control group of office workers

Hairdresser (n=91) Office worker (n=80) p Value
Mean age (y)33440.011-151
 < 30 (%)4919
 31-40 (%)3024
 >41 (%)2157
Atopy:1-150
 Yes (%)65600.051-152
Smoking0.031-152
 Non-smoker (%)2546
 Ex-smoker (%)2523
 Current smoker(%)5032
Cigarettes/day (mean)12 90.021-151
Hair treatment customers/week (mean)13
  • 1-150 Based on the question: “have you ever had: asthma, hay fever, or eczema?”

  • 1-151 Student's t test.

  • 1-152 χ2 test.