Characteristics

Mean ± SD or N (%)

Duration of Smoking Habit (years)

<5 years

≥5 years

3.86 ± 2.41

21 (70%)

9 (30%)

Frequency of Smoking

Always

Often

Occasionally

4 (13.3%)

11 (36.7%)

15 (50.0%)

Smoking Intensity (sticks per day)

<5

≥5

2.10 ± 1.18

28 (93.3%)

2 (6.7%)

Control Over Smoking Habit

Yes

No

26 (86.7%)

4 (13.3%)