Table 4.
Results of cotinine in urine before and after the intervention
|
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 |
*The children often meet smoking grandparents.
A value <6 ng/ml was estimated as the limit of non-measurable ETS exposure.