Nordic occupational cancer study

Nocca project

Cancer incidence by occupation

Acta Oncologica 2009

Other published studies

Variables and description of files available in the main NOCCA database

Type	Denmark	Finland	Iceland	Norway	Sweden
Census periods	1970	1970, 1980, 1990	1981	1960, 1970, 1980	1960, 1970, 1980, 1990
Level	Aggregated	Individual	Individual	Individual	Individual
Number in file	N/A (2 mill)	3.4 mill (20% sample)	0.1 mill	2.6 mill	6.8 mill
Date of birth	No	Yes	Yes	Yes	Yes
Date of death / emigration	No	Yes	Yes	Yes	Yes
Cause of death	No	No	No	Yes (1960-2003)	No
Date of immigration	No	No	No	Yes	No
Gender	Yes	Yes	Yes	Yes	Yes
Census 1960 occupation	No	No	No	NYK	NYK
Census 1960 industry	No	No	No	NYK	No
Census 1960 education	No	No	No	Yes	No
Census 1970 occupation	Predefined	NYK	No	NYK	NYK
Census 1970 industry	No	No	No	NYK	No
Census 1970 education	No	No	No	Yes	No
Census 1980 occupation	No	NYK	ISCO-68	NYK	NYK
Census 1980 industry	No	No	Yes	NYK	No
Census 1980 education	No	No	Predefined	Yes	No
Census 1990 occupation	No	NYK	No	No	NYK
Census 1990 industry	No	No	No	No	No
Census 1990 education	No	No	No	No	No
Cancer data	1971-2003	1971-2005	1982-2004	1961-2003	1961-2005
Site	Predefined	ICD	ICD	ICD	Predefined
Date of diagnosis	No	Yes	Yes	Yes	Yes
Histology/morphology	No	ICD	ICD	ICD	No
Detailed cancer data	No	Yes	No	Yes	No
Child births			Yes	child 1-14
Marital status				1960,1970, 1980
Length of education				1970, 1980
Major source of income				1960, 1970, 1980
Work hours per year at census				1970, 1980
Income				1970, 1980
Spouse/partner's occupation				1970, 1980

Predefined : predefined categories as given in the publication

NYK : Nordisk Yrke Klassifisering

ICD : International classification of diseases

ISCO - International Standard Classification of Occupations