Table 1: Summary of demographic data in pesticide sprayers and control subjects.

Subjects Sex Sprayers
(n=187)		 Controls
(n=187)		 p Value*
Age/years 37.84±12.41 37.05±10.69 0.48
Sex Male 126 126 -
Female 61 61 -
Work history / years 9.88±7.72 - -
Smoking / years 0.38 ±2.45 1.37±5.3 0.026
Smoking / Cigarette / day 0.64±3.75 1.07±4.1 0.27

Data represent mean ±SD. *Two-sided Student’s t-test.