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Table 2 Pre- and post-intervention levels of knowledge about malaria for all individuals in Piron, Mali.*

From: Use of insecticide-treated nets (ITNs) following a malaria education intervention in Piron, Mali: a control trial with systematic allocation of households

Question Education group Control group
Pre-intervention Post-intervention Pre-intervention Post-intervention
  N (%) N (%) N (%) N (%)
1. What is the most common disease in your village? 137 (93) 147 (100) 115 (93) 124 (100)
2. If you or your child has the following symptoms: fever, headache, vomiting and chills, what is the disease? 144 (98) 147 (100) 121 (98) 124 (100)
3. Do you know what malaria is? 145 (99) 146 (99) 122 (98) 124 (100)
4. Name at least one symptom of malaria. 139 (95) 147 (100) 112 (90) 124 (100)
5. Who is most susceptible to malaria? 53 (36) 130 (88) 41 (33) 107 (86)
6. How is malaria transmitted? 111 (76) 131 (89) 84 (68) 118 (95)
7. Can you prevent malaria? 53 (36) 131 (89) 46 (37) 102 (82)
8. How can you prevent malaria? 49 (33) 131 (89) 47 (38) 102 (82)
9. Can you treat malaria? 132 (90) 147 (100) 111 (90) 122 (98)
10. How can you treat malaria? 129 (88) 147 (100) 107 (86) 123 (99)
Total knowledge score
(Maximum 10 points)
7.43 ± 1.85 9.55 ± -.96 7.31 ± 1.88 9.44 ± 1.06
  1. *One point was given for any correct answer, 0 points was given for an incorrect answer, and one point was subtracted for any incorrect answer for questions with multiple answers. This method of scoring responses produced a normal distribution when assessing the change in knowledge for individuals from baseline to post-intervention surveys. Correct answers to the questions are: 1. Malaria, 2. Malaria, 3. Yes, 4. Fever, headache, chills, yellow eyes, vomiting, diarrhoea, 5. Pregnant women, children, 6. Mosquito bite, 7. Yes, 8. Insecticide-treated net (ITN), untreated net, modern medicine, traditional medicine, 9. Yes, 10. Modern medicine, traditional medicine. All pre- and post-intervention differences were significant (P < 0.001) except for questions two and three. †Plus-minus values are means ± standard deviations (SD).