Table 1.

SHS exposure before and after the smoking ban

Amount of SHS exposureBefore smoking banAfter smoking ban
Duration of shift, h (mean ± SD)8.0 ± 2.1 (range, 6-15)7.7 ± 2.4 (range, 4-15)
Time in smoking areas, h (mean ± SD)7.2 ± 2.9 (range, 1-15)
Smoke exposure outside of work (no. of subjects)41
Smoke exposure outside of work, h (mean ± SD)1.9 ± 2.8 (range, 0-6)*0.25
  • *The extents of exposure were 15, 35 min, 1, and 6 h for the four individuals.