| Variable | W10_Mj_Type_6b_Use_Last30 |
| Study | H&H W10 Happiness and Health Study Wave 10 |
| Section | Marijuana Marijuana opinions and experiences, MLBSE |
| Label/Description | Last 30 day MJ Use - Cannabis plant material/plant material with a vaporizer |
| Question text | During the past 30 days, on how many days did you use each of the following types of marijuana? - Cannabis plant material/plant material with a vaporizer |
| Answer type | enumerated |
| Answer categories | 0=0 days, 1=1 or 2 days, 2=3 to 5 days, 3=6 to 9 days, 4=10 to 19 days, 5=20 to 29 days, 6=All 30 days |