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Table 2 Differences between the KAP scores of the four groups

From: Knowledge, attitudes, practices and information demand in relation to haze in China: a cross-sectional study

  Knowledge Attitudes Practices
M(P 25 , P 75 ) Η p-value M(P 25 , P 75 ) Η p-value M(P 25 , P 75 ) Η p-value
College students 19.00/(17.00,21.00)** 30.606 <0.001 20.00/(18.00,22.00) 105.52 <0.001 46.00/(40.00,50.00) 41.28 <0.001
Occupational population 18.00/(16.00,21.00)**    23.00/(20.00,25.00)*    48.00/(45.00,54.00)*   
Traffic police 19.00/(15.00,23.00)**    23.00/(20.00,26.50)*    48.00/(46.00,57.00)*   
Elderly population 16.00/(13.00,19.75)    22.00/(20.00,24.00)*    48.00/(44.00,52.00)*   
  1. The values of multiple comparisons were based on the Dunn–Bonferroni post-hoc test: *p < 0.05 versus college students;
  2. **p < 0.001 versus elderly population; M:Median