Variables	Incidence										Incidence + worsened by work
	Control (n=200)			Risk Level 1 (n=139)			Risk Level 2 (n=119)		p-value*		Control (n=200)			Risk Level 1 (n=139)			Risk Level 2 (n=119)		p-value*
	n	(%)		n	(%)		n	(%)			n	(%)		n	(%)		n	(%)
Respiratory Diseases
Chronic Bronchitis	4	2.01%		2	1.45%		1	0.84%	0.71		4	2.01%		5	3.62%		3	2.52%	0.66
Emphysema	0	0.00%		0	0.00%		0	0.00%	.		0	0.00%		0	0.00%		0	0.00%	.
Asthma	0	0.00%		0	0.00%		0	0.00%	.		0	0.00%		1	0.72%		1	0.84%	0.46
Tuberculosis	0	0.00%		0	0.00%		0	0.00%	.		0	0.00%		0	0.00%		0	0.00%	.
Lung cancer	1	0.51%		0	0.00%		0	0.00%	0.52		1	0.51%		0	0.00%		0	0.00%	0.52
Rhinitis	11	5.56%		6	4.32%		2	1.68%	0.25		12	6.06%		11	7.91%		4	3.36%	0.30
Cardiovascular diseases
Stroke	0	0.00%		0	0.00%		0	0.00%	.		0	0.00%		0	0.00%		0	0.00%	.
Arrhythmia	2	1.01%		2	1.44%		3	2.52%	0.56		2	1.01%		2	1.44%		4	3.36%	0.28
Ischemic heart dis	0	0.00%		0	0.00%		0	0.00%	.		0	0.00%		0	0.00%		0	0.00%	.
Angina	0	0.00%		0	0.00%		2	1.68%	0.06		0	0.00%		0	0.00%		2	1.68%	0.06
Valve heart dis.	1	0.51%		1	0.72%		1	0.84%	0.93		1	0.51%		1	0.72%		1	0.84%	0.93
Hyperlipidemia	9	4.55%		6	4.32%		5	4.20%	0.99		10	5.05%		7	5.04%		6	5.04%	1.00
Hypertension	7	3.55%		5	3.60%		8	6.72%	0.35		9	4.57%		7	5.04%		8	6.72%	0.70
Skin Diseases
Atopic dermatitis	4	2.01%		4	2.88%		3	2.52%	0.87		4	2.01%		5	3.60%		4	3.36%	0.64
Allergic dermatitis	10	5.03%		6	4.32%		8	6.72%	0.68		11	5.53%		6	4.32%		13	10.92%	0.07
Pigmentation	1	0.50%		1	0.72%		3	2.52%	0.22		1	0.50%		1	0.72%		3	2.52%	0.22
Skin cancer	0	0.00%		1	0.72%		0	0.00%	0.32		0	0.00%		1	0.72%		0	0.00%	0.32
Folliculitis	4	2.01%		3	2.16%		3	2.52%	0.96		4	2.01%		3	2.16%		4	3.36%	0.73

*χ²p-value