Individual participant data contained some additional follow-up data, extra demographic data, and details on missing outcomes reporting.
HES is a national administrative dataset of routinely collected individual patient data, containing electronic information on all admissions to NHS hospitals in England.
We obtained individual level data containing information about year of death, age at death, sex, underlying cause of death and any contributing causes of death for all people (n = 2,650,158) who died in Sweden between 1961 and 2007 and whose cause of death had been recorded as any disease of the circulatory organs.
The GLM applied to the individual data sets contained separate regressors of interest for each condition.
For each individual, the quarterly DMDC data contained full name (starting in the last quarter of 1981), Social Security number (SSN), location of employment (city, state, and zip codes), date of birth, sex, race/ethnicity, highest education level attained, paygrade, and occupation code.
The training data contained 3206 individuals and the remaining individuals were used for testing.
For the analysis of the proportion of worms colonized, the data contained 976 individual observations grouped in 113 plates across variables.
For the bacterial load, we included only those worms that were colonized; thus, the data contained 419 individual observations grouped in 76 plates across variables.
The data contained on the individual spreadsheets were transformed to a single ASCII file for each territory, which could then be read by a wide range of software.
These data contained information on individuals with cancer, identified as being cases in the SEER tumor registry, who also had Medicare insurance as indicated by Medicare enrollment records.
