Table 1 Description of socio-demographic characteristics and association with the presence of CVS

Gender

 Male

224 (68.9)

158 (70.5)

1

1

 sFemale

101 (31.1)

91 (90.1)

3.8 (1.9; 7.8)

5.1 (1.8; 14.2)

Age (years)

  ≤ 20^a

149 (45.8)

124 (83.2)

2.0 (1.2; 3.5)

1

 21–30^a

148 (45.5)

108 (73.0)

1.5 (0.9; 2.4)

n.s

 31–40^a

22 (6.8)

14 (63.6)

2.0 (0.8; 4.9)

n.s

  > 40^a

6 (1.8)

3 (50.0)

3.4 (0.7; 17.1)

n.s

Occupation

 Student

289 (88.9)

230 (79.6)

1

1

 Teacher

36 (11.1)

19 (52.8)

0.3 (0.1; 0.6)

0.1 (0.0; 0.3)

Course

 Optometry

17 (5.2)

12 (70.6)

1

1

 Pharmacy

29 (8.9)

22 (75.9)

1.3 (0.3; 5.0)

n.s

 General Medicine

26 (8.0)

20 (76.9)

1.4 (0.3; 5.5)

n.s

 Dental medicine

31 (9.5)

24 (77.4)

1.4 (0.4; 5.5)

n.s

 Nutrition

33 (10.2)

26 (78.8)

1.5 (0.4; 5.9)

n.s

 Nursing

28 (8.6)

20 (71.4)

1.0 (0.3; 3.9)

n.s

 Architecture

49 (15.1)

44 (89.8)

3.7 (0.9; 14.8)

n.s

 Urbanism

52 (16.0)

38 (73.1)

1.1 (0.3; 3.8)

n.s

 Administration

34 (10.5)

24 (70.6)

1.0 (0.3; 3.6)

n.s

 Psychology

26 (8.0)

19 (73.1)

1.1 (0.3; 4.4)

n.s

Course level

 II

88 (27.1)

80 (90.9)

12.5 (3.8; 40.7)

10.9 (2.3; 50.5)

 III

99 (30.5)

74 (74.7)

3.7 (1.3; 10.4)

1.9 (0.5; 7.8)

 IV

65 (20.0)

48 (73.8)

3.5 (1.2; 10.4)

1.8 (0.4; 8.1)

 V

55 (16.9)

39 (70.9)

3.0 (1.1; 9.1)

1.6 (0.4; 7.3)

 VI

18 (5.5)

8 (44.4)

1

1

 Total

325

249 (76.6)