The exclusions were made based on order of questionnaire submission.
Cox regression models were used to examine risk of hospitalization due to any cause over the follow-up period from date of questionnaire submission, until hospitalization, separation from the military, or end of observation period (June 30 , 2004, whichever occurred first.
The Participant Information Sheet, as well as the first page of the questionnaire clearly stated that the completion and return of the questionnaire and submission of the computerised test was taken as consent.
He added: "Opinion Research Services, on behalf of the South Wales Programme board, is currently in the process of analysing all the questionnaires, letters, submissions and petitions received during the course of the eight-week consultation and, at this stage, it would be inappropriate to comment on an individual response".
Completion of the questionnaire and submission of the blood sample was considered to imply informed consent.
Please note that the information is not automatically saved if you exit the questionnaire before submission.
The follow-up studies included questionnaires, narrative submissions, and focus group discussions.
Completion of the self-administered questionnaire and submission of a blood sample were considered to imply informed consent.
The assessment includes a self-completed questionnaire and submission of a 24-hr urine sample, which is analyzed for total U concentration and for the presence of DU.
The submission questionnaire includes leading questions, overly complex triple-barrelled questions, inadequate or absent definitions, and questions which force the respondent to answer from a set of options that are presented as though they are mutually exclusive statements, when in fact they are not.
