Collaborative PsychiatricEpidemiology Surveys
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SU45a
How old were you the first time you used marijuana or hashish?
IF "AS LONG AS I CAN REMEMBER," CODE: DON'T KNOW
| Mean | Std Dev | Median | Min | Max |
|---|---|---|---|---|
| 17.99 | 08.73 | 17.00 | 00.000 | 519.000 |
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