Table 3: Characteristics of smokers in the two phases
Phase 1
Phase 2
Total number of patients
447
222
Male
379 (84.8%)
199 (89.6%)
Female
68 (15.2%)
23 (10.4%)
Mean age ( years ) of smokers
44.57 (17-83)
45.66 (18-74)
Mean age ( years ) of start smoking
21.49 (9-68)*
20.86 (10-52)
Mean no. of cigarettes smoked / day
10.19 (1-40)#
12.12 (1-40)
No. who smoke
>
10 cigarettes / day
258 (59.4%)#
152 (68.5%)
*
285 out of total 447 patients had been documented the mean age of start smoking in medical records
#
434 out of total 447 patients had been documented the number of cigarettes smoked per day in medical records
