The questionnaires were checked by survey staff during the examination visit.
Prior to the examination visit, questionnaires and a copy of the informed consent form were sent to the subjects for review.
Potential participants were first interviewed by telephone for potential eligibility and then, if appropriate, scheduled for the examination visit, where informed consent documents were reviewed and signed.
Those with T. vaginalis infection received treatment with single dose oral metronidazole (2 g) only if metronidazole was not dispensed at the examination visit.
17 In fact, these examination visits are the time-consuming part of patient care, and their number determines the clinical burden.
Results were similar whether HbA1c, MBG, and HGI were analyzed as single values from the time of the SIF examination visit or as the mean values from all available visits of the patient.
A questionnaire recording the management factors, experience with the eradication programme and execution of the eradication and the precautions taken was completed with the farmer during all examination visits to a herd.
Detailed in-person interviews, physical examinations, and blood samples were obtained from 18,986 participants aged ≥20 years in the 1999 2006 surveys who participated in the mobile examination visit.
We expect to have complete data on baseline measures, so missing data are likely to arise only with respect to the annual and final examination visits.
At the physical examination visit, 3.0 mL of venous blood was collected in trace metal free Vacutainer tubes (Becton-Dickinson, Franklin Lakes, NJ, USA) after cleaning the site serially with three alcohol pads.
