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Seven-day Point Prevalence Smoking Abstinence Verified by Expired Carbon Monoxide of <8 ppm
| Participants Abstinent, n (%) | 95% Confidence Interval | |
|---|---|---|
| Discharge | 21 (91.3) | 73 to 100 |
| 1 Month | 15 (65.2) | 38 to 91 |
| 3 Months | 10 (43.5) | 25 to 61 |
| 6 Months | 6 (26.1) | 15 to 36 |
ppm, parts per million.
