Data
385,188 items of data are available, covering 133,023 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Array indices run from 0 to 15.
Average length is 5.0 characters, longest is 5.
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
117,052 participants, 328,331 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,192 participants, 56,857 items
Too few values for statistical summary.
Notes
Visual acuity (right), displayed letters in round
2 Related Data-Fields
Field ID | Description | Relationship |
5081 | Displayed letters in round (left) | Field 5081 is the opposite-side complement to Current Field |
5083 | Visual acuity result in round (right) | Field 5083 indicates which letters the participant correctly identified from Current Field |