Hypotheses | Comparison | Statistical method | Outcome measure |
---|---|---|---|
Primary hypothesis | |||
Smoke reduction | CG-IG | Mixed models | Quantity-frequency index |
Secondary hypotheses | |||
Rate of abstinence | CG-IG | Chi-square | Abstinence |
Health-related quality of life | CG-IG | Mixed models | SF-12 |
Respiratory complaints | CG-IG | Mixed models | Visual Simplified Respiratory Questionnaire |
Process evaluation hypotheses | |||
Referral | CG-IG | Descriptive | Amount of patients referred to the smoking cessation program via referral form |
Uptake | CG-IG | Descriptive | Amount of patients attending the smoking cessation program |
Cost-effectiveness and cost-utility | CG-IG | ICER | Quantity-frequency index, QALY |