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# Scenario NutritionalEpidemiology3.3 2.16.840.1.113883.3.1937.777.64.3.5

Name | Details [‑]
--- | ---
NutritionalEpidemiology3.3 nfdhtfcov19-scenario-5
Effective date | 2024‑01‑06 - v3.3
NFDI4Health Resource nfdhtfcov19-transaction-9
Effective date | 2024‑01‑06 - v3.3 |  |
NFDI4Health Resource nfdhtfcov19-transaction-10Show diagram
Effective date | 2024‑01‑06 - v3.3 |  |
| Actor | Sender (person) Researcher
| Associations | Data Set (for transaction) Module Nutritional Epidemiology (V3.3) v3.3(2.16.840.1.113883.3.1937.777.64.1.3 / 2023‑11‑30)
| Contained concepts
Concept | Card/Conf | Id
--- | --- | ---
| DietAssessment
| 0 … * Conditional | nfdhtfcov19-dataelement-103link
| Diet assessment information collected in the [RESOURCE]
Card/Conf | Condition
--- | ---
1 … * Mandatory | 1..*, if Resource.nutritionalData == "Yes"
0 … 0 Not permitted | 0..0, if Resource.nutritionalData == "No"
|  | instrument
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-101link
| Dietary assessment instrument used
|  | ffqItemsNumber
| 0 … 1 Conditional | nfdhtfcov19-dataelement-104link
| Number of items in FFQ
Card/Conf | Condition
--- | ---
1 … 1 Mandatory | 1..1, if DietAssessment.instrument == "Food frequency questionnaire (FFQ)"
0 … 0 Not permitted | 0..0, if DietAssessment.instrument != "Food frequency questionnaire (FFQ)"
|  | mode
| 1 … * Mandatory | nfdhtfcov19-dataelement-105link
| Mode(s) used to apply the dietary assessment instrument
|  | device
| 1 … * Mandatory | nfdhtfcov19-dataelement-106link
| Device(s) used to apply the dietary assessment instrument
|  | portionSizeEstimation
| 1 … * Mandatory | nfdhtfcov19-dataelement-107link
| Portion size estimated by:
|  | referencePeriodUnit
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-108link
| Reference period unit
|  | referencePeriodNumber
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-109link
| Numerical value of reference period units
|  | repeat
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-110link
| Instrument applied repeatedly?
|  | repeatFrequency
| 0 … 1 Conditional | nfdhtfcov19-dataelement-111link
| Frequency of instrument application
Card/Conf | Condition
--- | ---
1 … 1 Mandatory | 1..1, if DietAssessment.repeat == "Yes"
0 … 0 Not permitted | 0..0, if DietAssessment.repeat == "No"
|  | validity
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-112link
| Instrument validated?
|  | validityReference
| 0 … 1 Conditional | nfdhtfcov19-dataelement-113link
| Reference describing the validation
Card/Conf | Condition
--- | ---
1 … 1 Mandatory | 1..1, if DietAssessment.validity == "Yes"
0 … 0 Not permitted | 0..0, if DietAssessment.validity == "No"
|  | reliability
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-114link
| Instrument described according to reliability?
|  | reliabilityReference
| 0 … 1 Conditional | nfdhtfcov19-dataelement-115link
| Reference describing reliability measures
Card/Conf | Condition
--- | ---
1 … 1 Mandatory | 1..1, if DietAssessment.reliability == "Yes"
0 … 0 Not permitted | 0..0, if DietAssessment.reliability == "No"
|  | dietarySupplements
| 1 … 1 Mandatory | nfdhtfcov19-dataelement-116link
| Dietary supplements inquired?