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Table 2.

Frequency of distribution of reported smoking status according to toenail nicotine level categories

Toenail nicotine categories based on reported smoking status, % distribution in the population
123456
 (0.01-0.14), 38.2 (0.15-0.62), 30.4 (0.63-1.23), 9.1 (1.24-2.83), 12.4 (2.84-4.80), 6.2 (4.81-32.7), 3.7 
Smoking status       
    1 Never smokers (39.3%) 57.7 (549) 48.2 (364) 20.4 (46) 7.5 (23) 2.0 (3) 3.3 (3) 
    2 Past smokers (29.4%) 40.1 (381) 37.6 (284) 19.0 (43) 4.6 (14) 1.3 (2) 2.2 (2) 
    3 Current: 1-14 cigarettes per day (9.1%) 1.1 (10) 9.13 (69) 28.8 (65) 18.8 (58) 11.8 (18) 4.4 (4) 
    4 Current: 15-24 cigarettes per day (12.4%) 0.7 (7) 3.7 (28) 19.5 (44) 37.0 (114) 50.3 (77) 39.6 (36) 
    5 Current: 25-34 cigarettes per day (6.2%) 0.4 (4) 0.8 (6) 7.5 (17) 21.8 (67) 23.5 (36) 24.2 (22) 
    6 Current: ≥35 cigarettes per day (3.6%) 0 (0) 0.7 (5) 4.9 (11) 10.4 (32) 11.1 (17) 26.4 (24) 
 100 100 100 100 100 100 
Toenail nicotine categories based on reported smoking status, % distribution in the population
123456
 (0.01-0.14), 38.2 (0.15-0.62), 30.4 (0.63-1.23), 9.1 (1.24-2.83), 12.4 (2.84-4.80), 6.2 (4.81-32.7), 3.7 
Smoking status       
    1 Never smokers (39.3%) 57.7 (549) 48.2 (364) 20.4 (46) 7.5 (23) 2.0 (3) 3.3 (3) 
    2 Past smokers (29.4%) 40.1 (381) 37.6 (284) 19.0 (43) 4.6 (14) 1.3 (2) 2.2 (2) 
    3 Current: 1-14 cigarettes per day (9.1%) 1.1 (10) 9.13 (69) 28.8 (65) 18.8 (58) 11.8 (18) 4.4 (4) 
    4 Current: 15-24 cigarettes per day (12.4%) 0.7 (7) 3.7 (28) 19.5 (44) 37.0 (114) 50.3 (77) 39.6 (36) 
    5 Current: 25-34 cigarettes per day (6.2%) 0.4 (4) 0.8 (6) 7.5 (17) 21.8 (67) 23.5 (36) 24.2 (22) 
    6 Current: ≥35 cigarettes per day (3.6%) 0 (0) 0.7 (5) 4.9 (11) 10.4 (32) 11.1 (17) 26.4 (24) 
 100 100 100 100 100 100 
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