Outcome groups | Base-line value | Follow-up value | Drop-outs | ||
---|---|---|---|---|---|
n = 73 | n = 73 | ||||
n = 9 | |||||
<6 ng/ml** | >6 ng/ml | <6 ng/ml** | >6 ng/ml | ||
Quit smoking (n = 9) | 6 | 3 | 8 | 1* | |
From indoor smoking to outdoor smoking (n = 9) | 5 | 1 | 5 | 1* | 3 |
Indoor smoking only (n = 20) | 6 | 13 | 11 | 8 | 1 |
From outdoor smoking to indoor smoking (n = 7) | 4 | 2 | 4 | 2 | 1 |
Outdoor smoking only (n = 37) | 22 | 11 | 26 | 7 | 4 |
Summary | 43 | 30 | 54 | 19 | 9 |