Table 7 Change of the self-perception between 2011 and 2014 (unpaired t-test) in male and female students

Empathy

4.23

1.198

4.48

0.95

0.25

−0.65; 0.15

0.2146

Structure

4.33

1.14

4.51

0.997

0.18

−0.57; 0.21

0.3684

Verbal expression

4.58

1.18

4.53

0.94

−0.05

−0.34; 0.44

0.8008

Non-verbal Expression

4.04

1.10

4.29

1.12

0.25

−0.66; 0.16

0.2323

Female students

Difference

95%-CI

p-value (α = 0.05)

Main

SD

Main

SD

Empathy

4.43

1.19

4.43

1.23

0.0

−0.34; 0.34

1.0

Structure

4.34

1.11

4.49

1.18

0.15

−0.47; 0.17

0.3565

Verbal expression

4.44

1.07

4.37

1.20

−0.07

−0.25; 0.39

0.6635

Non-verbal Expression

4.09

1.19

4.34

1.21

0.25

−0.59; 0.09

0.1440