Unfortunately, the creators of the project simply had insufficient regard for privacy issues and had not thought through the public concerns of such a broad sweep of data that was included in the digital records -- from social security numbers to the name of Dad's significant other.
Time-variant variables were: weekly family income equivalised using Organisation for Economic Co-operation and Development (OECD) weights (included as a continuous variable) and an indicator for sweep of data collection in order to account for secular and age-related trends.
In our original publication, we used examination data at one time point only for the children when they were aged 5; we now report examination data at three separate time points, including a completely new sweep of data when children were aged 9.
This will be followed by a 'Silver' and 'Gold' certificate after each successive sweep of data collection.
The protocol for asking informed consent to link to health records was as followsd: Sample members were sent a general advance letter informing them about the next sweep of data collection.
The most recent sweep of data collection, at ages 60 64, consisted of a postal questionnaire and then an invitation to visit one of six clinical research facilities across Britain for a health assessment, or to have the more familiar visit at home by a research nurse if they were unable or unwilling to travel.
In the 1991/1993 sweep of data collection (phase 3), participants underwent an oral glucose tolerance test (OGTT) for the first time.
It is a longitudinal study collecting information on numerous aspects of development with the first sweep of data collection in 1965 and the most recent in 2013.
"The Fourth Amendment was written precisely to prevent this sort of mass sweep of data, without any particularized suspicion of wrongdoing or individualized basis to seize lists of Americans who accessed a website about political dissent," Feuer said. .
At the 18th sweep of data collection on the BHPS, 5,483 households were eligible for interview.
At the 8th sweep of data collection on the NCDS, 11,461 cohort members were eligible for interview.
