Table 1.

Commission Regulation (EC) No 377/2008 of 25 April 2008 (abridgment of codification)

Name	Description
ISCO4D	Occupation: ISCO08, coded at the 3- or if possible 4-digit level
HATLEVEL	Highest level of education or training successfully completed: Classification of Education (ISCED), coded at the 2-digit level
HATFIELD	Field of highest level of education or training successfully completed: Classification of Education Field (ISCED field), coded at the 1-digit level
FTPT	Full-time/part-time distinction:
	1 = full-time
	2 = part-time
HWUSUAL	Number of hours per week usually worked in the main job