Table 1 Demographic characteristics of the sample. Composition of the clusters

 18-28 Years

9 (11)^ab

41 (51)^a

5 (6)

9 (11)^a

13 (16)^a

4 (5)^a

81

 29-35 Years

7 (9)

28 (37)^b

2 (3)

17 (23)^a

14 (19)

7 (9)^b

75

 36-49 Years

2 (2)^a

30 (38)^c

2 (2)^a

14 (18)

23 (29)^a

9 (11)^c

80

 50+ Years

1 (1)^b

13 (20)^abc

7 (11)^a

10 (15)

16 (24)

19 (29)^abc

66

 Male

9 (8)

41 (37)

7 (7)

15 (14)

30 (27)

8 (7)^a

110

 Female

10 (5)

71 (37)

9 (5)

35 (18)

36 (19)

31 (16)^a

192

 Very Low

5 (10)

12 (24)^a

2 (4)

7 (14)

13 (26)

11 (22)^a

50

 Low

3 (3)

43 (45)^a

4 (4)

20 (21)

14 (15)^a

12 (12)

96

 High

6 (6)

39 (39)

8 (8)

11 (11)

27 (27)^a

9 (9)^a

100

 Very High

5 (9)

18 (32)

2 (4)

12 (21)

12 (21)

7 (13)

56

 No

16 (8)

85 (43)^a

10 (5)

32 (16)

38 (19)

17 (9)^a

198

 Yes

3 (3)

27 (26)^a

6 (6)

18 (17)

28 (27)

22 (21)^a

104

 Very Low

7 (13)^a

30 (58)^abc

1 (2)

6 (12)

7 (13)

1 (2)^a

52

 Low

8 (7)

41 (37)^ad

8 (7)

24 (22)

25 (22)

6 (5)^b

112

 High

3 (3)^a

38 (34)^be

6 (5)

16 (14)

28 (25)

21 (19)^c

112

 Very High

1 (4)

3 (12)^cde

1 (4)

4 (15)

6 (23)

11 (42)^abc

26

 Face to Face

12 (6)

67 (35)

11 (6)

35 (19)

40 (21)

25 (13)

190

 Internet

7 (6)

45 (40)

5 (5)

15 (13)

26 (23)

14 (13)

112

Total

19

112

16

50

66

39

302