Changes to protocol
MINOR, RECRUITMENT
In conducting analyses for this paper, we made some minor changes to methods described in the protocol.The protocol described eight methods, two of which (structured telephone questionnaire with participants opting out of the study and structured questionnaires to coaches on training and on program delivery) did not yield sufficient data to support mixed methods analysis and are not included here.The protocol did not describe two other methods which did prove useful in analysis. First, in recruiting football clubs and supporting clubs in their initial set up of the program, research teams in each country wrote implementation notes that were discussed at weekly team meetings. Both notes and discussion were useful in examining club recruitment. Second, to recruit participants to EuroFIT, clubs used social and other media adverts with a link to a web-based form for potential participants to express their interest in taking part. Data from this form were useful in examining participant recruitment.The protocol detailed 18 objectives, but we address only 15 in this paper. We have already reported participant demographic and health risk profile, [