Table 4 The results of analysis of covariance for two intervention and control groups

Intercept

1182.73

2

1182.73

44.55

0.001

Skills

561.33

1

561.33

21.15

0.001

Group

620.07

1

620.07

23.36

0.001

Error

1831.30

69

26.54

Intercept

6400.14

2

6400.14

13.9

0.001

Knowledge

1534.24

1

1534.24

48.64

0.001

Group

2492

1

2492

11.66

0.01

Error

907.08

62

131.56

18.94

Intercept

1004.46

2

1004.46

68.11

0.001

Community presence

151.51

1

151.51

10.27

0.002

Group

85.72

1

85.72

5.81

0.02

Error

1017.54

62

14.74

Intercept

594.83

2

594.83

43.85

0.001

Attitudes

145.55

1

145.55

10.73

0.002

Group

212.93

1

212.93

15.69

0.001

Error

935.97

62

13.56

Intercept

595.57

2

595.57

34.96

0.001

Professional preparation

284

1

284

16.67

0.001

Group

247.21

1

247.21

14.51

0.001

Error

1175.19

62

17.03

Intercept

30373.45

2

30373.45

45.4

0.001

The total of competence of health education

9645.77

1

9645.77

14.41

0.001

Group

13333.46

1

13333.46

19.93

0.001

Error

46157.97

62

668.95