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Table 3 The level of global knowledge about HT among adolescents and the chosen demographic, environmental and medical factors

From: Factors associated with knowledge of hypertension among adolescents: implications for preventive education programs in primary care

Factor

Level of knowledge

Weak

Medium

Good

Sex

  

n=249

 

Girls

Chi square = 0.01

n

71

54

19

df = 2

%

49.3

37.5

13.2

Boys

n

51

40

14

%

48.6

38.1

13.3

p = 1

Place of living

   

n = 247

 

Urban

Chi square = 9.77

n

36

46

16

df = 2

%

36.7

46.9

16.3

Rural

n

85

47

17

%

57.0

31.5

11.4

p = 0.007

Level of education

   

n = 249

 

Grade I

Chi square = 8.46

n

41

27

6

%

55.41

36.49

8.11

Grade II

df = 4

n

65

52

16

%

48.87

39.10

12.03

Grade III

p = 0.08

n

17

14

11

%

40.48

33.33

26.19

Blood pressure tests in the past

   

n = 246

 

No

Chi square = 14.63

n

21

4

0

df = 2

%

84.0

16.0

0.0

Yes

n

98

90

33

%

44.3

40.7

14.9

p = 0.0006

HT family history

   

n = 250

 

No

Chi square = 8.98

n

67

39

9

df = 2

%

58.26

33.91

7.83

Yes

n

56

55

24

p = 0.01

%

41.48

40.74

17.78

Other chronic diseases in family

   

n = 250

 

No

Chi square = 1.35

n

66

47

14

df = 2

%

52.0

37.0

11.0

Yes

n

57

47

19

%

46.3

38.2

15.4

p = 0.51

Source of knowledge about HT

   

n = 171

 

School

Chi square = 20.95

n

74

68

29

df = 2

%

43.3

39.8

17.0

p = 0.0000

Family

Chi square = 18.77

n

46

55

18

df = 2

%

38.7

46.2

15.1

p = 0.0000

Internet

Chi square = 4.12

n

30

35

20

df = 2

%

35.3

41.2

23.5

p = 0.13

Radio/TV/newspapers

C Chi square = 2.21

n

20

23

14

df = 2

%

35.1

40.4

24.6

p = 0.33

  1. HT – hypertension.