Table 1.

Description of measures and sample (N=10841)

		Male (N=8498)		Female (N=2343)
Variable (year)	Categories or range	% or mean	N or sd	% or mean	N or sd
Age (2009)	56 – 70 years (women), 61 – 70 years (men)	64.9	2.8	63.1	3.8
Occupational grade (1989)	1 – 52	9.5	3.5	7.2	2.6
ESeC social class (1989)*	ESeC 1: Higher salariat	34.0	2885	9.0	211
	ESeC 2: Lower salariat	14.7	1252	60.4	1415
	ESeC 3: Higher grade white collar workers	3.8	325	16.7	393
	ESeC 6: Higher grade blue collar workers	38.1	3236	6.7	158
	ESeC 7: Lower grade white collar workers	0.6	48	6.8	159
	ESeC 8: Skilled workers	8.6	734	0.3	7
	ESeC 9: Semi- & non-skilled workers	0.2	18	0.0	0
Ergonomic strain
Retrospective ergonomic constraints (2007)	No exposure	35.0	2978	77.6	1817
	Moderate exposure	30.0	2546	20.2	482
	High exposure	35.0	2974	2.3	54
Ergonomic strain score (1989/1990)	0 – 5	0.9	1.0	0.27	0.5
Physical danger
Physical hazards score (1989/1990)	0 – 7	1.6	1.5	0.2	0.5
Accumulated accidents (1978–2009)	No exposure	83.2	7071	87.6	2053
	Moderate exposure	11.6	988	9.1	213
	High exposure	5.2	439	3.3	77
Exposure to harmful chemicals
Accumulated chemical exposures (1956–1998)	No exposure	39.4	3346	99.0	2319
	Moderate exposure	31.9	2709	1.0	23
	High exposure	28.8	2443	0.0	1
SF-36 MCS (2007)	0.3 – 71.3	49.4	8.9	45.7	10.9
SF-36 PCS (2007)	13.6 – 68.9	50.3	6.8	49.4	7.9
CASP-19 score (2009)	7 – 57	43.5	7.4	42.3	8.8