Figure 4

Analysis of website traffic for the DILT1D study website. a) Website activity showing the number and origin of website hits per week and the relationship to publicity events undertaken during the trial. b) The average number of weekly website referrals before each publicity event and after, showing that the joint press release from the University of Cambridge and The Wellcome Trust had the greatest impact on website activity, with much of that increase being from science news at Wired.