Table 1 Study interventions by phase and arm a
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 |
