From: Tobacco use and impact of tobacco-free policy on university employees in an environment of high tobacco use and production
Smoking frequency
n
%
Number of packs per day before 2008
1–2 packs
40
3.4
Less than 1 pack
64
5.4
Missing data
1073
91.2
Number of packs per day after 2008
31
2.6
72
6.1
1074
91.3