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. 2020 Jul 17;8:271. doi: 10.3389/fpubh.2020.00271

Table 1.

General characteristics of study population, n°43.

Overall (N°43) Smokers (N°15) Non-smokers (N°28)
Age (Years)
Mean ± SD 45.44 ± 9.93 48 ± 10.13 47.07 ± 9.73
Median 47 49 44
Range 21–64 21–64 24–62
BMI (Kg/m2)
Mean ± SD 21.61 ± 1.87 21.69 ± 1.81 21.57 ± 1.93
Median 21.8 21.8 21.7
Range 17.6–25.1 18.6–25.1 17.6–25.1
N° Cigarettes/day N/A N/A
Mean ± SD 16.33 ± 6.4
Median 15
Range 10–30
N° of Years as Smoker N/A N/A
Mean ± SD 29.73 ± 8.88
Median 29
Range 6–46
Length of service—years
Mean ± SD 19.63 ± 9.55 21.4 ± 10.45 18.68 ± 9.09
Median 20 22 19
Range 2–41 2–41 2–41