Characteristics of 106 women according to their categories of exposure
| Exposure . | n . | Mean nicotine (ng/mg) . | Mean age (yr) . | Body mass index . | Exposed at homea . | Exposed at worka . |
|---|---|---|---|---|---|---|
| 0 (no exposure) | 25 | 0.08 | 48 | 23.6 | 0 | 0 |
| 1 (passive) | 29 | 0.28 | 47 | 24.8 | 34% | 100% |
| 2 (active) | 25 | 1.71 | 49 | 22.6 | 0 | 0 |
| 3 (active & passive) | 26 | 2.18 | 48 | 22.8 | 77% | 88% |
| Exposure . | n . | Mean nicotine (ng/mg) . | Mean age (yr) . | Body mass index . | Exposed at homea . | Exposed at worka . |
|---|---|---|---|---|---|---|
| 0 (no exposure) | 25 | 0.08 | 48 | 23.6 | 0 | 0 |
| 1 (passive) | 29 | 0.28 | 47 | 24.8 | 34% | 100% |
| 2 (active) | 25 | 1.71 | 49 | 22.6 | 0 | 0 |
| 3 (active & passive) | 26 | 2.18 | 48 | 22.8 | 77% | 88% |
Passive smoking at home or work (no exposure versus occasionally or regularly exposed).