Data
537,467 items of data are available, covering 497,519 participants, encoded using Data-Coding
1182.
Defined-instances run from 0 to 2, labelled using Instancing
2.
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,189 participants, 497,189 items
Instance 1 : First repeat assessment visit (2012-13)
20,317 participants, 20,317 items
Instance 2 : Imaging visit (2014+)
19,961 participants, 19,961 items
Notes
Domestic water hardness measured 1 year before baseline recruitment started (2005) and during follow-up (2013).
This field can be used, for example, to determine survey measurement year versus year of participant assessment via Field 53.
5 Related Data-Fields
Field ID | Description | Relationship |
21104 | Ca concentration | Field 21104 measures are related to a survey year captured in Current Field |
21103 | CaCO3 concentration | Field 21103 measures are related to a survey year captured in Current Field |
21105 | Mg concentration | Field 21105 measures are related to a survey year captured in Current Field |
21100 | Water hardness (USGS classification) | Field 21100 measures are related to a survey year captured in Current Field |
21101 | Water hardness (WHO classification) | Field 21101 measures are related to a survey year captured in Current Field |
0 Resources
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