557,425 items of data are available, covering 500,858 participants, encoded using Data-Coding 100267
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
500,811 participants, 500,811 items
Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 20,335 items
Instance 2 : Imaging visit (2014+)
36,279 participants, 36,279 items
Contra-indications for spirometry are defined as any of the following: chest infection in the last month (ie, influenza, bronchitis, severe cold, pneumonia); history of detached retina; heart attack or surgery to eyes, chest or abdomen in last 3 months; history of a collapsed lung; Pregnancy (1st or 3rd trimester); currently on medication for tuberculosis.
1 Related Data-Fields
|3066||Data points for blow||Current Field indicates contra-indications for Field 3066|
There are no tabulations involving field 3088.
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