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Table 1 Maximum cigarette use (%) by birth cohortA

From: Genetic analysis of maximum cigarette-use phenotypes

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

  1. AM = maximum cigarette use over all available examinations.