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Table 4 The level of global and partial knowledge about HT according to choosing “good health” as a symbol of happiness among adolescents (n = 242)

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

Level of knowledge about HT Ranges 0 1 2 3 4 5
Epidemiological knowledge about HT weak n 14 20 14 21 27 41
Contingency coefficient C = 0.21 % 10.22 14.60 10.22 15.33 19.71 29.93
Cramer coefficient V = 0.15 medium n 5 4 6 15 19 25
Chi square = 11.44 % 6.76 5.41 8.11 20.27 25.68 33.78
df = 10 good n 1 2 5 3 10 10
p = 0.32 % 3.23 6.45 16.13 9.68 32.26 32.26
Knowledge about HT causes weak n 9 3 4 11 16 18
Contingency coefficient C = 0.26 % 14.75 4.92 6.56 18.03 26.23 29.51
Cramer coefficient V = 0.19 medium n 8 10 7 5 13 18
Chi square = 18.3841 % 13.11 16.39 11.48 8.20 21.31 29.51
df = 10 good n 3 13 14 23 27 40
p = 0.05 % 2.50 10.83 11.67 19.17 22.50 33.33
Knowledge about HT symptoms weak n 15 23 20 28 39 51
Contingency coefficient C = 0.19 % 8.52 13.07 11.36 15.91 22.16 28.29
Cramer coefficient V = 0.13 medium n 4 1 4 8 11 13
Chi square = 8.94 % 9.76 2.44 9.76 19.51 26.83 31.71
df = 10 good n 1 2 1 3 6 12
p = 0.54 % 4.00 8.00 4.00 12.00 24.00 48.00
Knowledge about HT complications weak n 10 12 11 14 21 21
Contingency coefficient C = 0.2 % 11.24 13.48 12.36 15.73 23.60 23.60
Cramer coefficient V = 0.14 medium n 10 11 12 19 26 47
Chi square = 10.21 % 8.00 8.80 9.60 15.20 20.80 37.60
df = 10 good n 0 3 2 6 9 8
p = 0.42 % 0.00 10.71 7.14 21.43 32.14 28.57
Knowledge about HT treatment weak n 8 9 9 16 23 30
Contingency coefficient C = 0.12 % 8.42 9.47 9.47 16.84 24.21 31.58
Cramer coefficient V = 0.08 medium n 8 10 8 14 21 22
Chi square = 3.54 % 9.64 12.05 9.64 16.87 25.30 26.51
df = 10 good n 4 7 8 9 12 24
p = 0.96 % 6.25 10.94 12.50 14.06 18.75 37.50
Knowledge about HT prevention weak n 7 13 11 21 17 30
Contingency coefficient C = 0.18 % 7.07 13.13 11.11 21.21 17.17 30.30
Cramer coefficient V = 0.13 medium n 9 6 9 9 23 27
Chi square = 8.6 % 10.84 7.23 10.84 10.84 27.71 32.53
df = 10 good n 4 7 5 9 16 19
p = 0.57 % 6.67 11.67 8.33 15.00 26.67 31.67
Global knowledge about HT weak n 11 16 13 20 25 31
Contingency coefficient C = 0.2 % 9.48 13.79 11.21 17.24 21.55 26.72
Cramer coefficient V = 0.14 medium n 9 8 10 13 20 34
Chi square = 9.83 % 9.57 8.51 10.64 13.83 21.28 36.17
df = 10 good n 0 2 2 6 11 11
p = 0.45 % 0.00 6.25 6.25 18.75 34.38 34.38
  1. HT – hypertension.
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