Table 2

Percent distribution of passive smoking status among adult never-smokers in both genders

Male (n=3877)*Female (n=9101)*
nPer centnPer cent
No passive smoking†145837.6357739.3
Passive smoking (times/week)241962.4552460.7
Source of passive smoking
 Entertainment place56914.77818.6
  • *Complex weighted computation was used in the statistical analysis.

  • †Exposure to secondhand smoke at least once per week for ≥30 min per occasion at home or public places.