Occurrence frequencies data formats
Occurrence frequencies are described by one simple table, specifying for pairs of food and substance, the associated occurrence frequencies as percentages.
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Occurrence frequencies
Occurrence frequencies are specified as percentages for pairs of food and substance. Optionally, a reference can be included in each record to specify the source (e.g., from literature) from which the percentage was obtained.
Table aliases: OccurrenceFrequencies.
| Name | Type | Description | Aliases | Required |
|---|---|---|---|---|
idFood |
AlphaNumeric(50) |
The food code. |
idFood, CodeFood, FoodId, FoodCode, Food |
Yes |
idSubstance |
AlphaNumeric(50) |
Code of the substance. |
idSubstance, CodeSubstance, SubstanceId, SubstanceCode, Substance |
Yes |
Percentage |
Numeric |
The occurrence frequency percentage. |
Percentage, FrequencyPercentage |
Yes |
Reference |
AlphaNumeric(200) |
Reference to the source from which this use frequency value is obtained. |
Reference, References, Source, Sources |
No |