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Table 2 Measurement schedule
| Variables | Measurement at month | |||||
|---|---|---|---|---|---|---|
| 0 | 3 | 5 | 6 | 9 | 15 | |
| Primary outcome | ||||||
| Cotinine level | X | X | ||||
| Secondary outcomes | ||||||
| Nicotine dependence (Fagerström) | X | X | X | |||
| MAP-HSS + smoking related complaints of smokers | X | X | X | X | ||
| Depression, anxiety and stress (DASS21) | X | X | X | X | ||
| Quality of Life (Euroqol 5D) | X | X | ||||
| Smoking status | X | X | X | X | X | |
| Adherence | X | |||||
| Costs | X | |||||
| Baseline predictors and moderators of treatment effect | ||||||
| Internet Skills | X | |||||
| Readiness to change | X | |||||
| Attitude | X | X | X | |||
| Social Influence | X | |||||
| Self-Efficacy | X | X | ||||
| Alcohol/substance (mis)use | X | X | ||||
| Descriptive variables | ||||||
| Patient characteristics and medical history | X | |||||
| Smoking history | X | |||||
| Stop Smoking History | X | |||||
| Other information of interest | ||||||
| Evaluation of treatment | X | X | X | X | ||
| Exhaled carbon monoxide (CO) level | X | X | X | X | ||
