Abstract
Background To reduce data processing and postal costs, and to potentially enhance data quality in a large long-term mail-based randomised trial, the ASCEND study team developed a bespoke online web-based version of the standard 6-monthly paper follow-up questionnaire. The form incorporates verification checks and study staff were trained to provide IT support for participants. The key IT challenges included ensuring screen format compatibility with different computer devices and software compatibility with multiple browsers and versions, as well as ensuring data security which was enhanced by using a two factor user authentication scheme. The aim was to assess the impact of providing the option to study participants in a small pilot study.
Highlights
To reduce data processing and postal costs, and to potentially enhance data quality in a large long-term mail-based randomised trial, the ASCEND study team developed a bespoke online web-based version of the standard 6-monthly paper follow-up questionnaire
Introduction of electronic data capture method using participant-completed online web-based follow up questionnaire in mail-based study achieves expected benefits and positive participant feedback
A subsequent mailing to the same group of 200 resulted in 39 web responders, suggesting that the uptake may increase by continuing to advertise the option at the University of Oxford, Oxford, UK
Summary
Introduction of electronic data capture method using participant-completed online web-based follow up questionnaire in mail-based study achieves expected benefits and positive participant feedback. From 3rd International Clinical Trials Methodology Conference Glasgow, UK. From 3rd International Clinical Trials Methodology Conference Glasgow, UK. 16-17 November 2015
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