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Table 3 Genetic architecture of smoking behavior

From: Interplay between heritability of smoking and environmental conditions? A comparison of two birth cohorts

 

1993-1995

2009-2010

Combined

(1993-1995 &

2009-2010)

 

Estimate

95% CI

Estimate

95% CI

Estimate

95% CI

Man:

      

Genetic factors

.62

.23-.86

.67

.00 - .90

.66

.29 - .86

Shared environment

.19

.01-.53

.06

.00 - .66

.14

.00 - .46

Unique environment

.18

.10-.30

.26

.09 - .57

.20

.12 - .30

Woman:

      

Genetic factors

.15

.00-.49

.34

.00 - .84

.21

.00 - .49

Shared environment

.62

.32-.80

.46

.00 - .79

.57

.32 - .77

Unique environment

.23

.15-.33

.20

.10 - .34

.22

.15 - .30

  1. Estimates for the contribution of additive genetic, common environmental and unique environmental factors to the variance in smoking in 18-25 year old twins in 1993-1995 and 2009-2010 and in the combined sample (full model)
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BMC Public Health

ISSN: 1471-2458

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