Codelist file structure


The codelist file includes four fields which contain the following information for the reference variable:

Variable's CODE LIST: variable's name

Code

Description

Upper code

Notes

Modality code

Modality description

Code of possible aggregation modality

Information about modality

In the first field the code's modality is shown followed by its description and, when necessary, the code of the aggregating variable (e.g: in the 'aggregation' item, the variable aggregating the 'municipality'code’s variable is 'province').
Finally, the fourth field is devoted to a further description of the modality, if present.

Example 1 : The 'Geographical location' 2002 codelist contains all codes and descriptions

Variable's codelist: Geographical location

Code

Description

Upper code

Notes

ITC

NORTH-WEST

 

 

ITD

NORTH-EAST

 

 

ITE

CENTRE

 

 

ITF

SOUTH

 

 

ITG

ISLANDS

 

 



Example 2 : The 'Municipalities 2006' codelist contains both the description of the Municipality code and the code of the aggrregating variable, that is the Province code (001 = Torino – 002 = Vercelli).

Variable's codelist: Municipalities 2006

Code

Description

Upper code

Notes

001

Agliè

001

Municipality in Torino province

002

Airasca

001

 

...

...

...

...

001

Alagna Valsesia

002

Municipality in Vercelli province