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

From: School-based participatory health education for malaria control in Ghana: engaging children as health messengers

Knowledge/Practices Knowledge: % of respondents who knew
Practices: % of respondents who practiced very often or sometimes
  Intervention (n = 105) Control (n = 81)
  Before (%) After (%) p -value a Before (%) After (%) p -valuea
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 1.000b 98.6 91.0 0.054b
   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 1.000b 95.1 92.6 0.746b
   Resting place for mosquitoes 91.4 93.3 0.603 93.8 95.1 1.000b
   Mango cannot cause malaria 10.5 79.8 <0.001 18.5 4.9 0.013b
   Heat from the sun cannot cause malaria 11.4 75.0 <0.001 6.3 6.3 1.000b
   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 1.000b
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 0.002b
   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
  1. a, Chi-square test
  2. b, Fisher's Exact test