From: A survey of schoolchildren's exposure to secondhand smoke in Malaysia
Exposure hours to SHS daily | Parental-reported exposure | GM cotinine (n)~ | ||
---|---|---|---|---|
 | None | 1 to 3 hours | > 3 hours |  |
Self-reported exposure | Â | Â | Â | Â |
None | 142 (61.7+%) | 80 (34.8%) | 8 (3.5%) | 0.37~ (230) |
1 to 3 hours | 174 (44.2%) | 184 (46.7%) | 36 (9.1%) | 0.51~ (394) |
> 3 hours | 17 (23.9%) | 42 (59.2%) | 12 (16.9%) | 0.83~ (71) |
GM cot (n/%) ++ | 0.38++ (333/47.9%) | 0.59++ (306/44.0%) | 0.69++ (56/8.1%) | 695 |