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Table 6 Results for increase in knowledge about effectiveness and adverse events

From: Nocebo effects of a simplified package leaflet compared to unstandardised oral information and a standard package leaflet: a pilot randomised controlled trial

 

Number*

Patients reporting an increase, n (%)

RR (95% CI)

Knowledge on effectiveness

 Simplified-PIL

23

16 (69.6)

1.217 (0.730–1.540)

 Standard-PIL

28

16 (57.1)

Reference

Knowledge on adverse events

 Simplified-PIL

23

17 (73.9)

0.985 (0.593–1.212)

 Standard-PIL

28

21 (75.0)

Reference

  1. *Only responders. Abbreviations: CI confidence interval, PIL package information leaflet, RR relative risk