Table 4.

Risk ratios of patients with respect to their occupation, as compared to other dermatological factors (Legend: OD: occupational dermatitis; HD: hand dermatitis; FD: lower extremities dermatitis; TD: trunk dermatitis, >2 SITES: patients that manifested more than two concurrent positive sites of dermatitis; Fhist: familial history of atopy; OR: odds ratio; RR: relative risk; AR: absolute risk).

			Odds ratio (OR)	Fishers test p value
Occupational dermatitis	OD_NO	OD_YES	4.9098	p ≤ 0.001
White collar	1083	280
Blue collar	271	344
Hand dermatitis	HD_NO	HD_YES	1.7254	p ≤ 0.001
White collar	736	627
Blue collar	249	366
Face dermatitis	FD_NO	FD_YES	0.7686	0.0141
White collar	908	455
Blue collar	444	171
Leg dermatitis	LD_NO	LD_YES	0.6448	0.0002
White collar	999	364
Blue collar	498	117
Trunk dermatitis	TD_NO	TD_YES	0.6705	0.0003
White collar	915	448
Blue collar	463	152
Dermatitis in more than 2 sites	>2_SITES_NO	>2_SITES_YES	0.7488	0.0259
White collar	1085	278
Blue collar	516	99
Familial history	Fhist_YES	Fhist_NO	1.5206	0.0017
White collar	276	1087
Blue collar	88	527
Thiuram mix 1%	Negative	Positive	2.8209	0.0006
White collar	1342	21
Blue collar	589	26
Balsam of Peru 25%	Negative	Positive	0.7111	0.0498
White collar	1218	145
Blue collar	567	48
Epoxy resin 1%	Negative	Positive	3.5796	0.0301
White collar	1358	5
Blue collar	607	8
Thiomersal 0.1%	Negative	Positive	0.5277	0.0024
White collar	1250	113
Blue collar	587	28
Abiet acid 10%	Negative	Positive	6.5463	0.0001
White collar	202	6
Blue collar	72	14
Ammonium persulfate 2.5%	Negative	Positive	7.0085	0.0030
White collar	205	3
Blue collar	78	8
D. pteronyssinus	Negative	Positive	0.2593	0.0039
White collar	168	40
Blue collar	81	5
D. farinae	Negative	Positive	0.2785	0.0162
White collar	177	31
Blue collar	82	4