Skip to main content

Table 2 Comparison of pilot study and full trial recruitment

From: Recruiting to a large-scale physical activity randomised controlled trial – experiences with the gift of hindsight

  Pilot study Full trial
Response rate 9.9 % 7.1 %
Non-contactable for brief intervention screening 15.8 % 49.5 %
Too active for brief intervention 30.0 % 18.0 %
Non-contactable for main trial screening 43.4 % 44.7 %
Eligible for main trial 78.8 % 50.0 %
Consented and randomised 57.0 % 50.0 %