Krieger Category	Job Title	n	%
White Collar (n=13,063; 47.78%)
	Aerospace engineers	139	0.51
	Agricultural and food scientists	34	0.12
	Architects, except naval	172	0.63
	Atmospheric and space scientists	13	0.05
	Biological scientists	121	0.44
	Chemical engineers	52	0.19
	Chemical technicians	76	0.28
	Chemists and materials scientists	85	0.31
	Civil engineers	308	1.13
	Computer software engineers	991	3.62
	Construction and building inspectors	13	0.05
	Construction managers	771	2.82
	Customer service representatives	2142	7.84
	Designers	748	2.74
	Dispatchers	297	1.09
	Driver/sales workers and truck drivers	7	0.03
	Electrical and electronics engineers	290	1.06
	Engineering managers	85	0.31
	Environmental engineers	54	0.20
	Environmental scientists and geoscientists	80	0.29
	Financial analysts	100	0.37
	First-line supervisors/managers of mechanics, installers, and repairers	6	0.02
	First-line supervisors/managers of production and operating workers	10	0.04
	General and operations managers	743	2.72
	Human resources, training, and labor relations specialists	569	2.08
	Industrial production managers	242	0.89
	Inspectors, testers, sorters, samplers, and weighers	16	0.06
	Laborers and freight, stock, and material movers, hand	9	0.03
	Lawyers, Judges, magistrates, and other judicial workers	837	3.06
	Marketing and sales managers	738	2.70
	Mechanical engineers	208	0.76
	Natural sciences managers	11	0.04
	News analysts, reporters and correspondents	88	0.32
	Nuclear engineers	12	0.04
	Other education, training, and library workers	127	0.46
	Other healthcare practitioners and technical occupations	65	0.24
	Other life, physical, and social science technicians	98	0.36
	Personal financial advisors	327	1.20
	Production, planning, and expediting clerks	269	0.98
	Public relations specialists	90	0.33
	Purchasing agents and buyers, farm products	10	0.04
	Sales representatives, wholesale and manufacturing	1239	4.53
	Shipping, receiving, and traffic clerks	579	2.12
	Urban and regional planners	38	0.14
	Wholesale and retail buyers, except farm products	154	0.56
Service (n=26; 0.10%)
	Customer service representatives	6	0.02
	First-line supervisors/managers of mechanics, installers, and repairers	6	0.02
	Fish and game wardens	9	0.03
	Maintenance and repair workers, general	5	0.01
Farm (n=40; 0.15%)
	Agricultural inspectors	25	0.09
	Forest and conservation workers	15	0.05
Blue Collar (14,209; 51.98%)
	Aircraft structure, surfaces, rigging, and systems assemblers	22	0.08
	Boilermakers	12	0.04
	Bus and truck mechanics and diesel engine specialists	298	1.09
	Bus drivers	638	2.33
	Cement masons, concrete finishers, and terrazzo workers	84	0.31
	Chemical processing machine setters, operators, and tenders	46	0.17
	Computer control programmers and operators	63	0.23
	Construction and building inspectors	89	0.33
	Construction laborers	1406	5.14
	Construction managers	21	0.08
	Crushing, grinding, polishing, mixing, and blending workers	96	0.35
	Customer service representatives	5	0.01
	Cutting, punching, and press machine setters, operators, and tenders, metal and plastic	113	0.41
	Derrick, rotary drill, and service unit operators, oil, gas, and mining	28	0.10
	Driver/sales workers and truck drivers	2946	10.78
	Electrical and electronics repairers, industrial and utility	11	0.04
	Electrical power-line installers and repairers	125	0.42
	Electrical, electronics, and electromechanical assemblers	196	0.72
	Electricians	469	1.72
	Engine and other machine assemblers	22	0.08
	First-line supervisors/managers of mechanics, installers, and repairers	266	0.97
	First-line supervisors/managers of production and operating workers	723	2.65
	Hazardous materials removal workers	37	0.14
	Helpers, construction trades	66	0.24
	Helpers--installation, maintenance, and repair workers	22	0.08
	Industrial and refractory machinery mechanics	421	1.54
	Industrial truck and tractor operators	546	2.00
	Inspectors, testers, sorters, samplers, and weighers	795	2.91
	Insulation workers	53	0.19
	Laborers and freight, stock, and material movers, hand	1640	6.0
	Locomotive engineers and operators	33	0.12
	Machinists	341	1.25
	Maintenance and repair workers, general	393	1.44
	Millwrights	40	0.15
	Mining machine operators	44	0.16
	Miscellaneous assemblers and fabricators	1049	3.84
	Miscellaneous construction and related workers	24	0.09
	Miscellaneous plant and system operators	29	0.11
	Operating engineers and other construction equipment operators	322	1.18
	Power plant operators, distributors, and dispatchers	39	0.14
	Rail-track laying and maintenance equipment operators	9	0.03
	Railroad conductors and yardmasters	41	0.15
	Refuse and recyclable material collectors	88	0.32
	Roofers	167	0.61
	Sheet metal workers	132	0.48
	Shipping, receiving, and traffic clerks	10	0.04
	Stationary engineers and boiler operators	83	0.30
	Structural iron and steel workers	73	0.27
	Structural metal fabricators and fitters	33	0.12