In each sub district, data collection was preceded by a half-day briefing attended by all participating village midwives, which covered the objectives of the study and the core data collection methods.
There was little evidence of agreement on the use of several core data collection instruments, in particular on the measurement of OA.
Our results showed that there was little evidence of correspondence of several core data collection instruments, in particular on the assessment of OA [ 10].
The core data collection, however, is through a computer-assisted personal interview (CAPI) which is conducted by a trained interviewer in the cohort member's home.c In this research we will predominantly draw on information collected in the 8th sweep of data collection, at age 50, which took place in 2008, and when consent was asked.
During the DCCT (1982 1993), a controlled clinical trial of 1,441 subjects with type 1 diabetes, and the EDIC (1994 present), an observational study of the DCCT cohort, core data collection has included medical history questionnaires, surveillance health exams, and frequent laboratory and other evaluations for microvascular and macrovascular disease.
Growing Up in New Zealand developed from a government-led call for proposals for a longitudinal cohort study and has to date secured government funding for the bulk of core data collection costs.
Baseline data collection was conducted via a core data collection form that included an self-administered version of the EQ-5D Descriptive system.
International standards for core data collection in MDRTB control programs were developed in 2000 111 ).
Regular core data collection maintains accurate denominators for estimation of age, sex, and cause-specific death rates (9).
Core data collection of HbA1c, fasting lipids, and renal collections has exceeded 89%, 90%, and 91%, respectively, on an annual basis.
