Visit 0 | Visit 1 | Visit 2 | Visit 3 | Visit 4 | |
---|---|---|---|---|---|
Selection Inclusion Randomization | Intervention | Follow-up Reminder Intervention | Follow-up Reminder Intervention | End of study | |
Timeline | Day -30 to -1 | Day 0 | 3 months | 6 months | 12 months |
Procedures | |||||
Informed Consent | X | ||||
Sociodemographic data | X | ||||
Personal history | X | ||||
Basic physical examination | X | ||||
Smoking habit and coximetry | X | ||||
Randomization | X | ||||
Spirometry | X | ||||
Intervention | |||||
Control group: brief health counseling | X | ||||
Intervention group: brief health counseling + information about spirometry results | X | ||||
Measures of effectiveness | |||||
Smoking habit | X | X | X | ||
Confirmation of smoking abstinence (coximetry and urine cotinine) | X |