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Table 1 Study design

From: Education on tick bite and Lyme borreliosis prevention, aimed at schoolchildren in the Netherlands: comparing the effects of an online educational video game versus a leaflet or no intervention

Date Total number Total number included in analysis
  Schools Children Schools Children
t1 a 40 1447 25 981
February-March 2012 Questionnaire 1     Game Leaflet Control
group b group b group b
254 328 399
t2 25 887 25 887   
June-July 2012 Questionnaire 2     Game Leaflet Control
199 (78.3%) 316 (96.3%) 372 (93.2%)
  1. aPre-intervention study [12]
  2. bOnly t1 participants whose school also participated at t2 were included for analysis