| n | age_percentage | alcohol_use | alcohol_frequency | marijuana_use | marijuana_frequency | cocaine_use | cocaine_frequency | crack_use | crack_frequency | ... | oxycontin_use | oxycontin_frequency | tranquilizer_use | tranquilizer-frequency | stimulant_use | stimulant_frequency | meth_use | meth_frequency | sedative_use | sedative_frequency | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 2798 | 5.062604 | 3.9 | 3.0 | 1.1 | 4.0 | 0.1 | 5.0 | 0.0 | 0.0 | ... | 0.1 | 24.5 | 0.2 | 52.0 | 0.2 | 2.0 | 0.0 | 0.0 | 0.2 | 13.0 |
| 1 | 2757 | 4.988420 | 8.5 | 6.0 | 3.4 | 15.0 | 0.1 | 1.0 | 0.0 | 3.0 | ... | 0.1 | 41.0 | 0.3 | 25.5 | 0.3 | 4.0 | 0.1 | 5.0 | 0.1 | 19.0 |
2 rows × 28 columns