Table 1 Prevalence of smoking initiation in 18-25 year olds in 1993-1995 and 2009-2010
18-25 year old twins in 1993-1995 | 18-25 year old twins in 2009-2010 | |||||
|---|---|---|---|---|---|---|
N total | N ever smoked | % ever smoked | N total | N ever smoked | % ever smoked | |
Men: | ||||||
MZ | 415 | 190 | 45.8% | 301 | 44 | 14.6% |
DZ ss | 363 | 184 | 50.7% | 239 | 69 | 28.9% |
DZ os | 384 | 218 | 56.8% | 228 | 62 | 27.2% |
Total | 1162 | 592 | 50.9% | 768 | 175 | 22.8% |
Women: | ||||||
MZ | 658 | 224 | 34.0% | 728 | 128 | 17.6% |
DZ ss | 462 | 195 | 42.2% | 445 | 122 | 27.4% |
DZ os | 385 | 176 | 45.7% | 400 | 102 | 25.5% |
Total | 1505 | 595 | 39,5% | 1573 | 352 | 22.4% |