Characteristics

DS consumers

Non DS

consumers

Khi²;

p Value

Age

Khi² = 4.68;

p = 0.001

- 17 - 21 years

36%

17%

- 22 - 24

17.25%

3%

- 25 - 28

8%

9%

- Over 28 years

8%

1.6%

Gender:

Khi² = 2.37;

p = 0.512

Girls

54%

3.2%

Boys

12.8%

30%

Education level

Khi² = 3.505;

p = 0.477

- License

50%

27%

- Master

2%

1%

- Doctorate

15%

5%

Sector:

Khi² = 4.8;

p = 0.095

Biology

49%

24%

Chemical Physics

13%

7%

Mathematics Computer Science

5%

2%

BMI Classes:

Khi² = 21.88;

p = 0.000

- Underweight

2%

8%

- Normal build

42%

25%

- Overweight

20%

0%

- Obesity

3%

0%

Socio-economic level:

Khi² = 9.17

p = 0.014

- Very Good

7%

1%

- Way

57%

25%

- Poor

3%

7%

Tobacco consumption:

Khi² = 2.35

p = 0.12

No

67%

32%

Yes

0%

1%

Alcohol consumption:

Khi² = 0.79

p = 0.37

No

65%

31%

Yes

2%

2%

Drug use:

Khi² = 2.43

p = 0.11

No

67%

31%

Yes

0%

1%