However, in these previous studies the loci were computationally ascertained using nonoverlapping data sets.
Incident type 2 diabetes cases until 31 July 2006 were ascertained using multiple data sources, including self-report of doctor-diagnosed diabetes from the second health check or follow-up health and lifestyle questionnaires, self-report of diabetes-specific medication in either of the two follow-up questionnaires or medication brought to the follow-up health check.
New cases of diabetes occurring up until 31 December 2005 were ascertained using multiple data sources including: self-report of doctor-diagnosed diabetes on three follow-up health and lifestyle questionnaires, i.e., a positive response to the question "Has a doctor ever told you that you have diabetes?" or self-reported diabetes medication or diabetes medication brought to the follow-up visit.
The relationship between O₂ step down rate and CO₂ step up rate was ascertained using gas measuring data set collected by enclosing bhimkol in respirometer and measuring head space O₂ and CO₂ concentration over time.
For each of the 500 repetitions, classification accuracy was ascertained using the test data.
No interviews or estimations of portion size were required during data collection; average age-specific and sex-specific portion sizes for all foods consumed were ascertained using relevant UK National Diet and Nutrition Survey data.
Further, the diagnoses of preeclampsia and other hypertensive pregnancy disorders typically have been ascertained using codes from administrative data sources or self-reported events, rather than using accepted diagnostic criteria [ 58, 61- 68] 68].
Morbidity information in administrative hospital data was ascertained using all 55 diagnosis codes in the APDC records (ICD-10-AM: E10 E14 for diabetes, I20 I52 for heart disease, I60 I69, G45, G46 for stroke, I10 I15 and R03.0 for hypertension, F17.2 or Z72.0 for smoking and E66 for obesity).
