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| Non‐smokers (%) | Smokers (%) | |||
|---|---|---|---|---|
| Control n = 1092 | Intervention n = 1402 | Control n = 242 | Intervention n = 321 | |
| Not OK | 43.8 | 47.8 | 14.5 | 16.5 |
| No opinion | 28.9 | 29.1 | 24.8 | 20.9 |
| OK | 27.3 | 23.1 | 60.7 | 62.6 |
