Skip to main content

Table 1 Annual smoking frequency of students and percentage of new starters.

From: The incidence of smoking and risk factors for smoking initiation in medical faculty students: cohort study

 

Prevalence

Incidence*

Years

n

Smokers

% (%95 CI)

n

New smokers

% (%95 CI)

1st (register)

119

26

21.8 (15.3–30.1)

-

-

-

2nd

119

35

29.9 (21.9–38.2)

93

12

12.9 (7.5–21.2)

3rd

119

38

31.9 (24.2–40.8)

81

6

7.4 (3.5–15.2)

4th

119

40

33.6 (24.2–40.8)

75

7

9.3 (4.6–18.1)

5th

112

29

25.9 (18.7–34.7)

68

2

2.9 (1.0–10.1)

6th

115

31

27.0 (19.7–35–7)

66

3

4.5 (1.6–12.5)

  1. *: For incidence calculations, only the new smokers within a particular year were taken into account; e.g. a group of students who smoked in the first year (21.8%) was not included in the calculations for the second year (29.9%).
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us