| Variable | W10_CAST_2 |
| Study | H&H W10 Happiness and Health Study Wave 10 |
| Section | CAST Cannabis Abuse Screening Test |
| Label/Description | CAST - MJ Use Alone |
| Question text | In the past 12 months, Have you ever smoked marijuana when were you alone? |
| Answer type | enumerated |
| Answer categories | 0, Never or I've never smoked marijuana 1, Rarely 2, From time to time 3, Fairly often 4, Very often |

