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Table 3 A comparison of the scores of health education competencies and their subscales between the two groups

From: The effect of service-based learning on health education competencies of students in community health nursing internships

Variable

Groups

Pre-intervention

Post-intervention

Mean difference

Effect size

Paired t-test

p- value

Health education competencies

Intervention

165.75 ± 33.09

191.58 ± 28.35

25.83

0.83

-4.96

0.001

Control

170.28.58 ± 33.09

165.97 ± 28.11

4.19

0.14

0.76

0.44

Independent t-test

p- value

-0.60

0.54

3.84

0.001

    

Effect size

0.14

0.90

    

Skills

Intervention

35.61 ± 7.01

40.94 ± 6.25

5.33

0.80

-4.37

0.001

Control

35.25 ± 6.04

34.91 ± 5.41

0.33

0.05

0.38

0.7

Independent t-test

p- value

0.23

0.81

4.37

0.001

    

Effect size

0.05

1.03

    

Knowledge

Intervention

63.91 ± 14.41

75.75 ± 12.53

11.3

0.87

-5.32

0.001

Control

66.69 ± 12.32

64.88 ± 12.08

1.8

0.14

0.70

0.48

 

Independent t-test

p- value

-0.87

0.38

3.74

0.001

    

Effect size

0.20

0.88

    

Community presence

Intervention

19 ± 5.16

22.13 ± 3.85

3.13

0.68

-3.97

0.001

Control

20.02 ± 4.72

20.25 ± 4.30

0.22

0.05

-0.24

0.18

Independent t-test

p- value

-0.88

0.38

1.98

0.05

    

Effect size

0.20

0.46

    

Attitudes

Intervention

20.61 ± 4.34

23.611 ± 3.78

3

1.72

-4.28

0.001

Control

21.55 ± 4.09

20.47 ± 4.07

1.08

0.26

1.31

0.19

Independent t-test

p- value

-0.94

0.34

3.38

0.01

    

Effect size

0.22

0.79

    

Professional preparation

Intervention

26.61 ± 4.98

29.13 ± 4.21

4.21

2.52

-3.04

0.004

Control

26.63 ± 4.72

25.44 ± 4.88

1.19

0.24

1.43

0.16

Independent t-test

p- value

-0.02

0.98

3.43

0.001

    

Effect size

0.004

0.80