... diabetes care: a theory-based process evaluation of a pragmatic cluster randomised controlled trial Jillian J Francis*1, Martin P Eccles2, Marie Johnston3, Paula Whitty2, Jeremy M Grimshaw4, ... interpretation of the trial effects. This analytic approach demonstrates the potential of the TPB to explain trial effects in terms of differentrelationships between variables rather than differences ... Eccles M, Hawthorne G, Whitty P, Steen N, Vanoli A, Grimshaw J,Wood L: A randomised controlled trial of a patient based Dia-betes Recall and Management System: the DREAM trial: A Additional file...