Table 3 Comparison of changes in knowledge and practices among school children.

Knowledge

   Meaning of ITN

80.4

90.5

0.039

88.9

81.5

0.185

   Effectiveness of ITN against mosquitoes

96.3

95.8

1.000^b

98.6

91.0

0.054^b

   Necessity of ITN re-treatment

30.5

55.2

0.001

36.1

37.9

0.830

   Vulnerability of ITN to sunshine exposure

46.8

58.7

0.121

38.9

42.4

0.673

   Place to get re-treatment service for ITN

69.5

92.6

<0.001

66.7

72.7

0.440

   Paracetamol alone cannot cure malaria

34.0

69.5

<0.001

46.9

55.0

0.305

   Breeding site of mosquitoes

42.2

74.3

<0.001

32.1

53.1

0.007

   Habitat of mosquito larvae

94.3

95.2

1.000^b

95.1

92.6

0.746^b

   Resting place for mosquitoes

91.4

93.3

0.603

93.8

95.1

1.000^b

   Mango cannot cause malaria

10.5

79.8

<0.001

18.5

4.9

0.013^b

   Heat from the sun cannot cause malaria

11.4

75.0

<0.001

6.3

6.3

1.000^b

   Mosquito bites can cause malaria

76.2

99.0

<0.001

90.1

90.1

1.000

   Drinking dirty water cannot cause malaria

16.3

43.8

<0.001

8.6

8.6

1.000

   Sex difference in biting behaviour of mosquitoes

15.2

24.8

0.084

5.0

5.0

1.000^b

Practice

   Weeding around house in the past 6 months

90.5

90.5

1.000

85.2

80.2

0.406

   Talking with family members about malaria in the past 6 months

55.2

43.3

0.084

17.5

7.6

0.060

   Talking with neighbours about malaria in the past 6 months

51.4

37.5

0.043

22.2

4.9

0.002^b

   Burning something to prevent mosquitoes in the past 6 months

92.4

80.4

0.012

88.9

78.8

0.080

   Covering arms and legs when going outside at night in the past 6 months

79.0

70.2

0.141

82.3

55.6

<0.001