Table 1 Characteristics of intervention and control groups.
| Control, n (%) | Intervention, n (%) | p Value | |
|---|---|---|---|
| N | 1348 (43.6) | 1743 (56.4) | |
| Age (years) | 0.04* | ||
| 12–17 | 931 (69.1) | 1141 (65.5) | |
| 18–24 | 417 (30.9) | 602 (34.5) | |
| Gender | <0.001* | ||
| Male | 204 (15.2) | 366 (21.0) | |
| Female | 1141 (84.8) | 1375 (79.0) | |
| Current smokers | 0.66 | ||
| Yes | 245 (18.2) | 327 (18.8) | |
| No | 1100 (81.8) | 1409 (81.2) | |
| Movie | <0.001* | ||
| Alfie | 1135 (84.2) | 811 (46.5) | |
| Closer | 213 (15.8) | 932 (53.5) | |
| Language spoken at home | <0.001* | ||
| English | 1189 (88.2) | 1623 (93.1) | |
| Other | 159 (11.8) | 120 (6.9) | |
| Non‐responders | 352 (20.7) | 398 (18.6) | 0.1 |
*Denotes a significant difference in the distribution between control and intervention groups compared to the sample as a whole.