Data
162,490 items of data are available, covering 153,106 participants.
Some values have special meanings defined by Data-Coding
41.
Defined-instances run from 0 to 1, labelled using Instancing
1.
Units of measurement are %.
| Maximum | 12.3776 |
| Decile 9 | 1.53378 |
| Decile 8 | 1.26994 |
| Decile 7 | 1.09713 |
| Decile 6 | 0.964954 |
| Median | 0.84756 |
| Decile 4 | 0.738727 |
| Decile 3 | 0.624227 |
| Decile 2 | 0.488584 |
| Decile 1 | 0.260317 |
| Minimum | 0.000902576 |
|
|
- Mean = 0.888589
- Std.dev = 0.503166
- 307 items above graph maximum of 2.80723
- 3 items have value -4 (indicates value not available (missing code A))
- 1740 items have value -3 (indicates value was rejected by automatic sample and measurement quality control)
|
2 Instances
Instance 0 : Baseline (1998-2004)
152,833 participants, 151,425 items
| Maximum | 12.3776 |
| Decile 9 | 1.54508 |
| Decile 8 | 1.28371 |
| Decile 7 | 1.11237 |
| Decile 6 | 0.979797 |
| Median | 0.862434 |
| Decile 4 | 0.750935 |
| Decile 3 | 0.635255 |
| Decile 2 | 0.496294 |
| Decile 1 | 0.269389 |
| Minimum | 0.000902576 |
|
|
- Mean = 0.900277
- Std.dev = 0.504802
- 286 items above graph maximum of 2.82077
- 3 items have value -4 (indicates value not available (missing code A))
- 1405 items have value -3 (indicates value was rejected by automatic sample and measurement quality control)
|
Instance 1 : Resurvey (2015-2019)
9,657 participants, 9,322 items
| Maximum | 4.98557 |
| Decile 9 | 1.21673 |
| Decile 8 | 0.962354 |
| Decile 7 | 0.841047 |
| Decile 6 | 0.752803 |
| Median | 0.669087 |
| Decile 4 | 0.593727 |
| Decile 3 | 0.511273 |
| Decile 2 | 0.386653 |
| Decile 1 | 0.0899944 |
| Minimum | 0.00123871 |
|
|
- Mean = 0.698738
- Std.dev = 0.433731
- 36 items above graph maximum of 2.34346
- 335 items have value -3 (indicates value was rejected by automatic sample and measurement quality control)
|
Notes
Ratio of docosahexaenoic acid to total fatty acids (DHA %) (%)
Coding 41 defines 5 special values:
- -5 represents "indicates derived value or ratio cannot be computed (missing code I)"
- -4 represents "indicates value not available (missing code A)"
- -3 represents "indicates value was rejected by automatic sample and measurement quality control"
- -2 represents "indicates a measurement cannot be quantified due to detected irregularity in sample - see tags"
- -1 represents "indicates a measurement not defined (i.e. derived value or ratio cannot be given due to low concentration in original measure)"
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