From:  Prevalence and factors associated with work-related asthma among carpenters in Parakou, northern Benin

 Distribution of carpenters surveyed according to background (N = 144).

VariablesNumber(%)
Personal atopy6142.4
History of allergic rhinitis4229.2
History of urticaria2316.0
History of allergic conjunctivitis2013.9
History of eczema21.4
Family atopy2215.3
Personal history of asthma53.5
Family history of asthma2416.7
Smoking
Non-smoker12888.9
Daily smoker139.0
Occasional smoker21.4
Ex-smoker10.7