Participant demographics
| Alias | Age | Gender | Ethnicity | Smoking status |
|---|---|---|---|---|
| Henry | 20 | Male | NZ Euro | Social-weekly |
| Luke | 20 | Male | NZ Euro | Social—less than weekly |
| Ethan | 20 | Male | NZ Euro | Social-weekly |
| Nathan | 18 | Male | NZ Euro | Other non-daily |
| Ben | 22 | Male | NZ Euro/Chinese | Daily |
| Sara | 21 | Female | Māori/NZ Euro | Daily |
| Bella | 19 | Female | NZ Euro | Daily |
| Cameron | 22 | Male | NZ Euro | Daily |
| Kaine | 21 | Male | Māori | Daily |
| Harriet | 18 | Female | NZ Euro | Social—weekly |
| Bethany | 21 | Female | NZ Euro/Māori/other Euro | Daily |
| Natasha | 24 | Female | Other Euro | Daily until last week |
| Leon | 20 | Male | NZ Euro | Daily |
| Kimberley | 20 | Female | NZ Euro | Social—weekly |
| Kat | 23 | Female | NZ Euro | Daily |