Adolescent (12–17 years) and young adult (18–24 years) sample characteristics from survey data sources
| CTS | 1990 | 1992/3* | 1996 | 1999 | 2002 |
|---|---|---|---|---|---|
| Adolescents selected for interview | 6604 | 6892 | 8778 | 8069 | 8796 |
| Adolescents with completed interviews | 5040 | 5531 | 6252 | 6090 | 5857 |
| Adolescent completion rate | 76.3% | 80.3% | 71.2% | 75.5% | 66.7% |
| Young adults selected for interview | 5509 | 1697 | 3432 | 3255 | 10084 |
| Young adults with completed interviews | 3518 | 1022 | 2478 | 2190 | 5930 |
| Young adult completion rate | 63.9% | 60.2% | 72.2% | 67.3% | 58.8% |
| CPS-TUS | 1992/3 | 1995/6 | 1998/9 | 2001/2 | |
|---|---|---|---|---|---|
| *The 1992 CTS was used for young adults 18–24 years old. The much larger 1993 CTS did not include a question on ever smoking in the adult interview, but adolescent data from the 1993 CTS included all the relevant early smoking behaviour questions. | |||||
| CPS-TUS, Current Population Surveys Tobacco Use Supplement; CTS, California Tobacco Surveys. | |||||
| Young adults in households | 33039 | 26624 | 25463 | 26620 | |
| Young adults completing TUS | 22927 | 16835 | 15419 | 16707 | |
| Young adult self response completion rate | 67.6% | 63.2% | 60.6% | 62.8% | |