Table 4

Change in cotinine after combining categories

Workplace smoking policy (number and proportion of subjects)
Cotinine changeNo smoking restrictionsSmoking in restricted areasSmokefree†Total
*Includes subjects whose cotinine concentration decreased and subjects whose cotinine concentration did not change.
†Hospitality and government employees combined.
Increase10 (83%)8 (40%)8 (13%)26 (28%)
No increase*2 (17%)12 (60%)52 (87%)66 (72%)
Total12 (100%)20 (100%)60 (100%)92(100%)