Cotinine levels (ng/ml)
Cotinine levels (urine)
1500
1250
1000
750
500
250
0
Non-smokers (n=27)
Passive smokers (n=15)
Smokers (n=56)
Cotinine levels (ng/ml)
Cotinine levels (saliva)
500
400
300
200
100
0
Non-smokers (n=26)
Passive smokers (n=15)
Smokers (n=49)
P<0.001. Comparison of mean urine and saliva continine levels among nonsmokers, passive smokers and smokers
Figure 1: Comparison of mean urine and saliva cotinine levels among non-smokers, passive smokers, and smokers.12
Cotinine levels (ng/ml)
Cotinine levels (urine)
1500
1250
1000
750
500
250
0
Non-smokers (n=27)
Passive smokers (n=15)
Smokers (n=56)
Cotinine levels (ng/ml)
Cotinine levels (saliva)
500
400
300
200
100
0
Non-smokers (n=26)
Passive smokers (n=15)
Smokers (n=49)
P<0.001. Comparison of mean urine and saliva continine levels among nonsmokers, passive smokers and smokers
Figure 1: Comparison of mean urine and saliva cotinine levels among non-smokers, passive smokers, and smokers.12
P<0.001. Comparison of mean urine and saliva continine levels among nonsmokers, passive smokers and smokers
P<0.001. Comparison of mean urine and saliva continine levels among nonsmokers, passive smokers and smokers
P<0.001. Comparison of mean urine and saliva continine levels among nonsmokers, passive smokers and smokers