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Table 3 Difference in scores among selected subgroups of community pharmacists before (pre-test), immediately after (post-test) and six weeks following (retention) an educational intervention

From: Effect of an educational intervention on knowledge and attitude regarding pharmacovigilance and consumer pharmacovigilance among community pharmacists in Lalitpur district, Nepal

Characteristics Pre-test median (interquartile range) Post-test median (interquartile range) p valueΔ Pre-test median (interquartile range) Retention median (interquartile range) p valueΔ Post-test median (interquartile range) Retention median (interquartile range) p valueΔ
Overall score
 Gender
  Male 81 (75–83) 89 (85–92) <0.0 81 (75–83) 80 (77–83) 1.000 89 (85–92) 80 (77–83) <0.001
  Female 80 (75–83) 91.5 (81–93) <0.001 80 (75–83) 80 (75–82) 0.769 91.5 (81–93) 80 (75–82) <0.001
 Location
  Rural 80 (75–93) 90 (87–92.75) <0.001 80 (75–93) 81 (79–93) 0.168 90 (87–92.75) 81 (79–93) <0.001
  Urban 82 (76–86) 89 (85–92) <0.001 82 (76–86) 80 (75–93) 0.267 89 (85–92) 80 (75–93) <0.001
Knowledge score
 Gender
  Male 39 (37–40) 44 (41–47) <0.001 39 (37–40) 46 (42–48) <0.001 44 (41–47) 46 (42–48) 0.097
  Female 39 (37–42) 44 (43–45) <0.001 39 (37–42) 45 (39–47) <0.001 44 (43–45) 45 (39–47) 0.837
 Location
  Rural 39 (44–46) 44 (44–44) <0.001 39 (44–46) 46 (43–47) <0.001 44 (44–44) 46 (43–47) 0.206
  Urban 38 (33–46) 43 (43–44) <0.002 38 (33–46) 46 (42–47) <0.001 43 (43–44) 46 (42–47) 0.761
Attitude score
 Gender
  Male 43 (37–44) 44 (43–47) 0.012 43 (37–44) 35 (31–37) 0.003 44 (43–47) 35 (31–37) <0.001
  Female 41 (35–44) 46 (44–48) <0.001 41 (35–44) 35 (31–37) <0.001 46 (44–48) 35 (31–37) <0.001
 Location
  Rural 41 (35–44) 45 (43–47) <0.001 41 (35–44) 35 (31–38) <0.001 45 (43–47) 35 (31–38) <0.001
  Urban 43 (38–44) 45 (43–48) 0.039 43 (38–44) 34 (31–37) <0.001 45 (43–48) 34 (31–37) <0.001
  1. ΔWilcoxon Signed rank test