Table 6.

Demographic and employment characteristics of the study subjects

		Number of the subjects		Mean	SD
		N	%
Demographic characteristics
Total		633	100.0
Sex	Male	546	86.3
	Female	87	13.7
Age distribution (year)	50–59	57	52.6
	60–69	196	69.4
	≥ 70	380	71.6
Smoking	No	212	33.5
	Yes	385	60.8
	No answer	36	5.7
Alcohol consumption (days/week)	<1	336	53.1
	≥1	260	41.1
	No answer	37	5.9
Employment characteristics
Age at first employment (years)				27.9	5.3
Age at date last observed among survivors (years)				70.7	7.5
Year in the first employment (year)				1974.2	6.2
	<1975	339	53.6
	1975–1993	294	46.4
Duration of employment (years)				12.8	5.6
	<10	204	29.7
	10–<20	379	59.9
	≥20	66	10.4
Cumulative CS2 exposure index (ppm·yr)				128.2	82.2
	0–<67a	169	26.7
	67–<134	206	32.5
	≥134b	258	40.8
Time-weighted average CS2 concentration (ppm)				10.1	4.9
	0- < 5c	112	17.7
	5–<10d	199	31.4
	≥10	322	50.9
Department distribution by CS2 exposure concentration
	Low (<5 ppm)e	340	53.7
	High (≥5 ppm)	293	46.3

^alower one third defined by distribution of metric among all the study subject

^bupper one third defined by distribution of metric among all the study subject

^cEU - Commission Directive 2006/15/EC of 7 February 2006 establishing a second list of indicative occupational exposure limit values

^dIndustrial Safety and Health Act enforcement regulations separate Table 3 of 11 Amendment of allowable standard of exposure concentration by harmful factor, IRE - 2010 Code of Practice for the Safety, Health and Welfare at Work (Chemical Agents) Regulations 2001. Published by the Health and Safety Authority

^eEU - Commission Directive 2006/15/EC of 7 February 2006 establishing a second list of indicative occupational exposure limit values