Cross-sectional comparison of SHS levels in different types of hospitality venues (n = 193) with different smoking policies at baseline (n = 225). 1 Time regulation refers to venues with temporal ban, ex. during mealtimes. 2 A Cigarette equivalent (CE)/day is the equivalent amount of smoke of one actively smoked cigarette that a smoke-exposed person inhales.
Rajkumar et al. BMC Public Health 2013 13:536 doi:10.1186/1471-2458-13-536