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Table 3 Smoking characteristics by age-group in the female cohort of the Estonian Genome Center of the University of Tartu 2002–2012

From: Smoking-related general and cause-specific mortality in Estonia

  Age group
  18–25 26–45 46–65 Over 65 Total
Variable n % n % n % n % n %
Smoking status
Total 5302 100.0 12,436 100.0 11,257 100.0 4984 100.0 33,979 100.0
 Never smoker 3390 63.9 7587 61.0 7471 66.4 4407 88.4 22,855 67.3
 Former smoker 328 6.2 1374 11.0 1334 11.8 366 7.3 3402 10.0
 Current smoker 1584 29.9 3475 28.0 2452 21.8 211 4.3 7722 22.7
 Age at start (SD) 16 (2.2) 20 (4.4) 23 (7.3) 27 (10.0) 21 (6.3)
  Current smokers
Years smoked (SD) 5 (2.7) 16 (6.2) 29 (8.3) 42 (11.0) 92 (11.7)
 Up to 20 years 1540 100.0 2556 76.4 314 13.1 10 4.8 4420  
 Over 20 years 0 0.0 790 23.6 2076 86.9 197 95.2 3063  
Cigarettes per day
 Number of persons 1570 100.0 3435 100.0 2436 100.0 211 100.0 7652 100.0
 Up to 10 968 61.7 1510 44.0 1020 41.9 104 49.3 3602 47.0
 10–20 584 37.2 1842 53.6 1363 55.9 104 49.3 3893 51.0
 Over 20 18 1.1 83 2.4 53 2.2 3 1.4 157 2.0
  Former smokers
Years smoked (SD) 3 (2.4) 9 (6.1) 18 (10.7) 24 (14.9) 14 (10.9)
 Up to 20 years 293 100.0 1210 94.7 768 60.9 162 45.6 2433 76.3
 Over 20 years 0 0.0 68 5.3 494 39.1 193 54.4 755 23.7
Cigarettes per day
 Number of persons 259 100.0 1051 100.0 1049 100.0 300 100.0 2659 100.0
 Up to 10 183 70.6 573 54.5 571 54.4 160 53.3 1487 55.9
 10–20 75 29.0 470 44.7 458 43.7 136 45.3 1139 42.9
 Over 20 1 0.4 8 0.8 20 1.9 4 1.4 33 1.2