List A.-INTERMEDIATE OCCUPATIONAL CLASSIFICATION FOR MALES (158 ITEMS) WITH COMPONENT List B.-INTERMEDIATE OCCUPATIONAL CLASSIFICATION FOR FEMALES (67 ITEMS) WITH COMPONENT Sports instructors and officials Managers, officials, and proprietors (n. e. c.)-selfemployed: Wholesale and retail trade, except cating and drinking places Wholesale trade Food and dairy products stores, and milk retailing General merchandise and five and ten cent stores Apparel and accessories stores Furniture, home furnishings, and equipment stores List B.-INTERMEDIATE OCCUPATIONAL CLASSIFICATION FOR FEMALES (67 ITEMS) WITH COMPONENT 54. Private household workers-living in Housekeepers, private household-living in Laundresses, private household -living in Private household workers (n. e. c.)-living in 55. Private household workers-living out Housekeepers, private household-living out Laundresses, private household-living out Private household workers (n. e. c.)-living out 56. Attendants, hospital and other institution 57. Barbers, beauticians, and manicurists 58. Charwomen, Janitors, and porters Charwomen and cleaners Janitors and sextons Porters 59. Cooks, except private household 60. Housekeepers and stewards, except private household 61. Practical nurses and midwives In the separation of "Managers, officials, and proprietors (n. e. c.)" by class of worker into salaried and self-employed components, the small number of unpaid family workers in this occupation is included in the self-employed component. Mine laborers, noted as an exclusion from the major group "Laborers, except farm and mine," are included in the major group "Operatives and kindred workers." Since the data presented in the occupation tables refer only to civilians, the category "Members of the armed forces" shown in tables 124 and 158 is limited to unemployed veterans who had not worked since their discharge from the armed forces. Relation to DOT classification.-The occupational classification of the Population Census is generally comparable with the system used in the Dictionary of Occupational Titles (DOT).10 The two systems, however, are designed to meet different needs and to be used under different circumstances. The DOT system is designed primarily for employment service needs, such as placement and counseling, and is ordinarily used to classify very detailed information obtained in an interview with the worker himself. The census system on the other hand is designed for statistical purposes and is ordinarily used in the classification of limited occupational descriptions obtained in an interview with a member of the worker's family. As a result, the DOT system is much more detailed See U. 8. Department of Labor, Bureau of Employment Security, Dictionary of than the census system; and it also calls for many types of distinctions which cannot be made from census information. Industry The industry information presented here was derived from answers to the question, "What kind of business or industry was he working in?" Classification system.-The industrial classification system developed for the 1950 Census of Population consists of 148 categories organized into 13 major groups. For the detailed industry tables in Chapter C of this volume, a few of the categories were combined, and the detailed industry list used here consists of 146 categories (tables 130, 131, and 160). The composition of each of the detailed categories is shown in the publication, U. S. Bureau of the Census, 1950 Census of Population, Classified Inder of Occupations and Industries, Washington, D. C., 1950. In Chapter B, most of the industry data are based on a condensed classification of 41 groups. In Chapter C, an intermediate classification of 77 categories has been used in the cross-classifications of industry by age, race, class of worker, major occupation group, weeks worked, and income (tables 132 to 136 and 161). Both the 41-item and 77-item classifications represent selections and combinations of the categories in the detailed system. The relation List C.-RELATIONSHIPS AMONG CONDENSED, INTERMEDIATE, AND DETAILED INDUSTRIAL CLASSIFICATION SYSTEMS USED IN THE 1950 CENSUS OF POPULATION [Figures in parentheses in third column are code designations in the Standard Industrial Classification; see text for explanation] Not specified manufacturing industries. Other transportation. Telecommunications... (Tobacco manufactures. Paper and allied products.... Petroleum and coal products. Rubber products..... Leather and leather products, except footwear.. Not specified manufacturing industries..... All other transportation... Telecommunications.. [Synthetic fibers (2825). Drugs and medicines (283). Paints, varnishes, and related products (285). Miscellaneous chemicals and allied products (281, 282 exc. 2825, 24. 286-289). Tobacco manufactures (21). Pulp, paper, and paperboard mills (261). Paperboard containers and boxes (267). Miscellaneous paper and pulp products (264-266, 269). Petroleum refining (291). Miscellaneous petroleum and coal products (29 exc. 291). Rubber products (30). Footwear, except rubber (313, 314). Leather: tanned, curried, and finished (311). Leather products, except footwear (312, 315-317, 319). Not specified manufacturing industries.' Railroads and railway express service (40). Trucking service (421, 428). (Warehousing and storage (422–425, 429). Street railways and bus lines (41, 43 exc. 433). Air transportation (45). (Taxicab service (433). Petroleum and gasoline pipe lines (46). Services incidental to transportation (47). Telephone (wire and radio) (481). Telegraph (wire and radio) (48 exc. 481). List C.-RELATIONSHIPS AMONG CONDENSED, INTERMEDIATE, AND DETAILED INDUSTRIAL CLASSIFICATION SYSTEMS USED IN THE 1950 CENSUS OF POPULATION-Con. Detailed classification-148 items Electric light and power (491). Gas and steam supply systems (492, 496). Other and not specified utilities3 (497). Motor vehicles and equipment (501, 5111). Drugs, chemicals, and allied products (502, 5112). Dry goods and apparel (503, 5113, 5132). Food and related products (504, 505, 5114, 5133, 5134, 514). Electrical goods, hardware, and plumbing equipment (506, 507, 5116). Machinery, equipment, and supplies (508, 5118, 5136). Petroleum products (512). Farm products-raw materials (5096, 5135). Miscellaneous wholesale trade (5091-5095, 5097–5099, 5115, 5117, 5119, 5137-5139 ). Not specified wholesale trade." (Food stores, except dairy products (54 exc. 545). Eating and drinking places (58). General merchandise stores (53 exc. 533). Five and ten cent stores (533). [Apparel and accessories stores, except shoe stores (56 exc. 566). Shoe stores (566). Furniture and housefurnishings stores (571). Household appliance and radio stores (572). Motor vehicles and accessories retailing (55 exc. 554). Drug stores (591). [Hardware and farm implement stores (525). Hardware, farm implement, and building material retailing-Lumber and building material retailing (52 exc. 525). [Liquor stores (592). Retail florists (5992). (Welfare, religious, and membership organizations..... Legal, engineering, and misc. professional services............. [Postal service.... Federal public administration.. State and local public administration... Educational services, private (82, 84). NOTE: See Executive Office of the President, Bureau of the Budget, Standard Industrial Classification Manual, Vol. I, Manufacturing Industries, Part 1 (November 1945 edition); and Vol II, Nonmanufacturing Industries (May 1949 edition), Washington, D. C. 1 Components of SIC categories 3392 and 3399 are allocated between "Other primary iron and steel industries" and "Primary nonferrous industries" on a ferrous-nonferrous basis Components of SIC categories 3463 and 3489 are allocated between "Fabricated steel products" and "Fabricated nonferrous metal products" on a ferrous-nonferrous basis. In the Population Census system, "not specified" categories were set up within certain groups to take care of schedule returns which were not sufficiently precise for allocation is a specie category within the group." Flectric light and rewer" and "Flectric-ras utilities" are combined into a single category in the Volume II tables on detailed industry. Components of SIC categories 5099 and 5139 are allocated by type of merchandise to the appri priate Population Census wholesale trade category, wherever possible. "Heal estate" and "Real estate-insurance-law offices" are combined into a single category in the Volume II tables on detailed industry. * Dressmaking shops are shown separately from the rest of SIC category 7271, which is included in "Laundering, cleaning, and dyeing services." |
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