Table 3.

Distribution of cases and controls according to the frequency of exposure to the considered agents and circumstances of exposure.

Risk Products		Cases	Controls	P	OR	95%CI
Cement Dust	Frequency	25 (18)	9 (6.4)	0.003	3.19	[1.43-7.12]
	IE	176.3±127.9	69.3±42.5	0.012
Diesel Exhausts	Frequency	15 (10.7)	7 (5)	0.07	0.9	[0.6-.1]
	IE	116.0±82.2	92.6±65.3	0.51
Welding Smokes	Frequency	13 (9.3)	6 (4.3)	0.09	0.8	[0.7-1.1]
	IE	123.1±95.3	105.3±48.0	0.67
Asbestos	Frequency	15 (12.1)	5 (3.6)	0.009	3.68	[1.29-10.46]
	IE	161.1±99.3	36.0±72.0	0.027
Silica	Frequency	18 (13.3)	9 (6.4)	0.05	0.9	[0.7-1.3]
	IE	163.1±135.0	68.0±57.6	0.11
Man-Made Mineral Fiber	Frequency	19 (13.6)	0(0)	0.001	-	-
	IE	132.6±118.2	-	-
Work in Plastic or Rubber Industry	Frequency	7 (5)	1 (0.7)	0.06	0.7	[0.5-0.9]
	IE	156.6±86.9	56	0.32
Strong Inorganic Acid Mists	Frequency	3 (2.1)	2 (1.4)	0.68	1.0	[0.6-1.8]
	IE	168.0±207.5	140.0±5.6	0.86
Cutting Fluids and Mineral OIL	Frequency	9 (6.6)	3 (2.1)	0.06	1.5	[1.2-2.1]
	IE	155.0±107.3	208±115.4	0.48
Wood Dust	Frequency	8 (5.6)	3 (2.1)	0.12	0.7	[0.6-0.9]
	IE	133.9±114.8	68.0±57.6	0.19
Textile Dust	Frequency	8 (5.7)	0 (0)	0.007	-	-
	IE	245.7±138.15	-	-
Solvents, Degreasers, and Diluents	Frequency	33 (23.6)	12 (8.6)	0.001	3.29	[1.61-6.68]
	IE	178.4±134.8	154.7±51.4	0.76
Arsenic	Frequency	6 (4.3)	1 (0.7)	0.12	0.8	[0.6-1]
	IE	256.0±163.0	152	0.58
Nickel	Frequency	14 (10)	11 (7.9)	0.53	1.0	[0.7-1.6]
	IE	88.0±73.7	67.63±71.58	0.49
Chrome	Frequency	13 (9.3)	7 (5)	0.16	1.4	[0.9-2.3]
	IE	84.3±.80.8	68.6±72.1	0.67
Cadmium	Frequency	5 (3.6)	2 (1.4)	0.44	0.8	[0.5-1.1]
	IE	105.6±113.1	208.0±181.0	0.38
Paint Vapours	Frequency	21 (15)	7 (5)	0.005	3.35	[1.37-8.16]
	IE	177.1±117.1	75.2±79.9	0.07
Formaldehyde	Frequency	3 (2.1)	1 (0.7)	0.36	0.7	[0.7-1.0]
	IE	226.7±83.3	144	0.48
Pesticide	Frequency	27 (19.3)	0 (0)	10-3	-	-
	IE	336.3±200.93	-	-