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Table 1 Study interventions by phase and arm a

From: A randomised controlled trial of personalised decision support delivered via the internet for bowel cancer screening with a faecal occult blood test: the effects of tailoring of messages according to social cognitive variables on participation

Eligibility and Randomisation Intervention Evaluation
Phase 1 Phase 2 Phase 3
Introductory letter Information sheet Eligibility Questionnaire (EQ) Pre-paid envelope Group 1. Internet-based Tailored material (TPDS) Information sheet; Baseline survey completed online (BS); Receipt of tailored messages; Electronic version of NBCSP consumer information booklet FOBT kit mailed to those who completed BS; Reminder to revisit online tailored messages and NBCSP consumer information booklet Endpoint Survey (ES) Completed Online Telephone Interview (subset)b
Group 2. Internet-based non-tailored material (NTPDS) Information sheet; Baseline survey completed; online Electronic version of NBCSP consumer information booklet FOBT kit mailed to those who completed BS; Reminder to revisit online NBCSP consumer information booklet Endpoint Survey completed online Telephone Interview (subset)b
Those returning EQ and meeting eligibility criteria randomised to 1 of 3 groups Group 3. Paper-based non-tailored material (usual practice control group, CG) Information sheet; Baseline survey completed on paper and returned to the researchers FOBT kit mailed to those who completed BS; Printed version of NBCSP consumer information booklet Endpoint survey completed on paper and returned Telephone Interview (subset)b
  1. aAdapted from Wilson et al. [25].
  2. bThese results published [33].