Table 1 General characteristics of the participants

Total number of participants (response rate)

375 (82.5%)

Gender (%)

%

 Male

47.7 (N = 179)

 Female

52.3 (N = 196)

Age, years (mean ± standard deviation)

 All participants

40.5 ± 13.7

 Male

43.8 ± 13.2

 Female

37.5 ± 13.5

Age group, years

%

N

%

N

%

N

(All)

(Males)

(Females)

 18–29

22.9

86

14.5

26

30.6

60

 30–39

29.0

109

26.8

48

31.1

61

 40–49

21.3

80

24.6

44

18.4

36

 50–59

17.0

63

21.2

38

12.8

25

 60–69

8.0

30

10.6

19

5.6

11

 > 70

1.9

7

2.2

14

1.5

3

Educational background (%)

% (Ν)

Middle school graduate (9 years)

9.0 (31)

High school graduate (12 years)

40.2 (139)

University graduate (16–17 years)

33.5 (116)

Postgraduate or PhD

11.8 (41)

Healthcare professional (physician, dentist, pharmacist, or nurse)

5.5 (19)