Smoking status using different outcome indicators among participants at the six month follow up interview
| Indicators of smoking behaviour | By number of respondents successfully followed up n = 384 (95% CI) | By intention-to-treat analysis n = 654 (95% CI) |
|---|---|---|
| *Positive behavioural change refers to not smoking at follow up or having quit for at least a day or reduced cigarette consumption by at least 50%. | ||
| CI, confidence interval. | ||
| Main outcome | ||
| Proportion not smoking in the past 7 days at the follow up interview | 20% (16% to 25%) | 12% (10% to 15%) |
| Other outcomes | ||
| Proportion that continuously abstained from tobacco smoking for the period before interview | 7% (5% to 10%) | 4% (3% to 6%) |
| Proportion not smoking in the past 24 hours at the follow up points | 23% (19% to 28%) | 13% (11% to 16%) |
| Proportion that stopped smoking for at least 24 hours at some point before the interview | 61% (56% to 66%) | 36% (32% to 40%) |
| Proportion that had not quit but had reduced smoking by at least 50% from the baseline level | 29% (25% to 34%) | 17% (14% to 20%) |
| Proportion that reported any positive behavioural change toward smoking cessation* | 73% (68% to 77%) | 43% (39% to 47%) |