Table 1.

Characteristics of the study population.

Variable	Frequency (n)	Percentage
Total	623	100
Gender
Female	514	82.50
Male	105	16.86
Divers	4	0.64
Age
18–24 years	308	49.44
5–29 years	156	25.04
30–34 years	82	13.16
>34 years	77	12.36
University
LMU Munich	189	30.34
KSH	434	69.66
Enrolled year of studies
1	228	36.60
2	113	18.14
3	175	28.09
4	74	11.88
5	28	4.49
6	5	0.80
Study form
Full-time	529	84.91
Part-time	94	15.09
Psychological stress
Low	348	55.86
High	275	44.14