Table 1

Maximum cigarette use (%) by birth cohortA
Born:
 Before 1920
 1910s
 1920s
 1930s
 1940s
 1950s or later
Men





     M = 0
 38.67
 21.11
 27.21
 28.19
 38.70
 52.67
     1 ≤ M < 5
 2.72
 2.22
 4.76
 1.32
 2.74
 5.34
     5 ≤ M < 10
 3.32
 1.48
 1.36
 0.88
 2.40
 2.29
     10 ≤ M < 20
 8.46
 4.81
 9.52
 9.25
 11.30
 8.40
     20 ≤ M < 30
 27.19
 24.07
 21.77
 24.23
 17.81
 11.45
     30 ≤ M < 40
 7.25
 17.78
 10.88
 16.74
 12.67
 9.92
     40 ≤ M < 50
 9.06
 20.00
 12.93
 13.66
 9.59
 7.63
     50 ≤ M < 60
 2.42
 4.81
 5.44
 2.20
 2.40
 1.53
     60 ≤ M < 70
 0.91
 3.70
 4.76
 3.08
 2.40
 0.76
     70 ≤ M < 80
 0
 0
 0
 0
 0
 0
     M ≥ 80
 0
 0
 1.36
 0.44
 0
 0
     Total N
 337
 270
 147
 227
 292
 131
Women





     M = 0
 62.91
 41.23
 42.01
 38.16
 39.20
 41.59
     1 ≤ M < 5
 4.45
 4.31
 5.33
 2.63
 4.65
 12.39
     5 ≤ M < 10
 4.75
 8.00
 5.92
 3.51
 6.98
 5.31
     10 ≤ M < 20
 5.93
 12.92
 7.10
 13.60
 11.30
 9.73
     20 ≤ M < 30
 13.06
 18.77
 23.08
 19.30
 17.94
 22.12
     30 ≤ M < 40
 5.93
 6.46
 8.28
 12.72
 11.30
 5.31
     40 ≤ M < 50
 2.37
 6.77
 7.10
 8.33
 6.64
 3.54
     50 ≤ M < 60
 0.59
 0.92
 0.59
 0.88
 1.33
 0
     60 ≤ M < 70
 0
 0.62
 0.59
 0.88
 0.66
 0
     70 ≤ M < 80
 0
 0
 0
 0
 0
 0
     M ≥ 80
 0
 0
 0
 0
 0
 0
Total N
 337
 325
 169
 228
 301
 113

AM = maximum cigarette use over all available examinations.

Saccone et al. BMC Genetics 2003 4(Suppl 1):S105   doi:10.1186/1471-2156-4-S1-S105