Table 1

Percentage of self-reported non-smokers having urinary cotinine higher than 6.6 μmol/ml by socio-demographic groups and smoking status

VariablesPercentagesProbabilities
Professional category
▶Physicians–pharmacists, administrators (n=121)11.1%NS
▶Nurses (n=418)10.0%
▶Blue workers (n=130)12.8%
Area
▶Urban (n=510)11.3%NS
▶Suburban (n=131)09.4%
▶Rural (n=41)04.7%
Age group
▶20–29 years (n=190)13.4%NS
▶30–39 years (n=205)10.3%
▶>=40 years (n=286)07.8%
Self-reported smoking status
▶Current smokers (n=55)72.7%<0.0001
▶Occasional smokers (n=21)14.3%
▶Ex-smokers (n=31)19.4%
▶No smokers (n=689)10.0%