Data
319,521 items of data are available, covering 272,837 participants, encoded using Data-Coding
100603.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
272,823 participants, 272,823 items
Instance 1 : First repeat assessment visit (2012-13)
10,401 participants, 10,401 items
Instance 2 : Imaging visit (2014+)
33,545 participants, 33,545 items
Instance 3 : First repeat imaging visit (2019+)
2,752 participants, 2,752 items
Notes
ACE touchscreen question "Have you had any other major operations? (for example, operations that required an overnight stay in hospital)"
If the participant activated the Help button they were shown the message:
If you are unsure if you have had a 'major' operation select Do not know and you will be asked about this by an interviewer later during this visit.
|
The
other refers to operations other than hysterectomy and bilateral oophorectomy.