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. 2014 Nov 24;7:832. doi: 10.1186/1756-0500-7-832

Table 2.

Smoking status of participants according to gender

Variable Male N (%) Female N (%) Total N (%) P Value
Type of Smoking: <0.005
  Cigarettes 18 (22) 1 (2.3) 19 (15.1)
  Waterpipe 30 (36.6) 39 (88.6) 69 (54.8)
  Both cigarettes and waterpipe 34 (41.5) 4 (9.1) 38 (30.2)
Number of waterpipe Smoking sessions .033
  Once/week 24 (37.5) 26 (60.5) 50 (46.7)
  Twice/week 14 (21.9) 9 (20.9) 23 (21.5)
  >2 times/week 26 (40.6) 8 (18.6) 34 (31.8)
Number of years of waterpipe smoking (mean ± SD) 4.43 (2.3) 2.95 (1.7) 3.84 (2.2) 0.005
Number of cigarettes smoked 0.111
  ≤10 Cigarettes/Day 10 (19.6) 3 (60.0) 13 (23.2)
  10-20 Cigarettes/Day 34 (66.7) 2 (40.0) 36 (64.3)
  >20 Cigarettes/Day 7 (13.7) 0 (0.0) 7 (12.5)
Number of years of cigarettes smoking (mean ± SD) 4.98 (3.1) 2.8 (0.8) 4.79 (3.0) <0.005