Variable Type Flag

1

Derived

Recoded or computed variable

2

Imputed

Variable where previously missing values replaced ny imputed values

3

Missing value codes

Variables that contain detailed coding of missing values. WP1 and WP2 will be producing these

4

Weighting/grossing factor

Variable used to adjust for biases/scale to population

5

Raw

Variable in its original state/as received from fieldwork agency. E.g., a variable that maps directly to a question

6

Coded

Variable where values are taken from a standard code. E.g., ICD, SOC)

7

Harmonised

Variable that is identical or functionally equivalent to others in a set. E.g., those variables produced by the WPs)

8

Open-ended values

Variable holding string/verbatim responses, probably to a survey question with an 'Other' code