NLSY79

Source: 1983 MSA, CMSA, PMSA, and NECMA codes were taken from the 1983 County and City Data Book, Appendix A. These are included in the 1983-96 NLSY79 geocode files.

1983 Consolidated Metropolitan Statistical Areas (CMSAs) and Associated Primary Metropolitan Statistical Areas (PMSAs)

Note: "NE" beside the CMSA code denotes a New England geographic area. An "NE" CMSA includes the component PMSAs. An "NE" PMSA includes only that PMSA. The geocode data file provides only a NECMA code for these CMSAs and PMSAs.

Source: 1983 MSA, CMSA, PMSA, and NECMA codes were taken from the 1983 County and City Data Book, Appendix A. These are included in the 1983-96 NLSY79 geocode files.

• 1983 Metropolitan Statistical Areas (MSAs)
• 1983 New England Metropolitan Areas (NECMAs)

1983 Metropolitan Statistical Areas (MSAs)

NOTE: New England County Metropolitan Areas (NECMA) are listed at the end of this section.
NOTE: "NE" beside the MSA code denotes a New England geographic area. The geocode data file provides only a NECMA code for these MSAs.

1983 New England Metropolitan Areas (NECMAs)

NOTE: MSAs in New England are defined based on cities and towns, not counties. NECMA codes are the county version of the New England areas and are defined on the basis of the New England CMSAs (not PMSAs). They do not replace the MSAs. MSA and NECMA definitions are not identical in county composition. See Statistical Abstract of the United States, 1988, published by the Bureau of the Census, for further discussion of the definition of metropolitan statistical areas. New England cases in the 1983?87 geocode data files are treated as missing on all area of residence variables, due to this non-comparability. See Appendix 10: Geocode Documentation for further discussion.

The following are new SMSAs added since 1983 (see Appendix 10: Geocode Documentation for discussion of comparability between SMSA/MSA terminology and designations):

The following are changes made to existing SMSAs since 1983:

*NOTE: These recent changes are not reflected in the 1987 City Reference File (CRF). Therefore, any variable creation which uses only the MSA designation from the 1987 CRF data file will treat these counties as non-metropolitan.

Source: 1981 SMSA codes are taken from the October 1981 issue of the Statistical Reporter. These are included in the 1979-82 NLSY79 geocode data files.

• 1981 Standard Metropolitan Statistical Areas (SMSAs)
• Standard Consolidated Statistical Areas

1981 Standard Metropolitan Statistical Areas (SMSAs)

NOTE: New England County Metropolitan Areas (NECMA) are listed at the end of this section.
NOTE: "NE" beside the MSA code denotes a New England geographic area. The geocode data file provides only a NECMA code for these MSAs.

Standard Consolidated Statistical Areas

This attachment lists Federal Information Processing Standards (FIPS) codes used to code respondents' state of birth and state of residence. The FIPS codes are taken from the Federal Information Processing Standards Publication 5-1, published June 15, 1970, FIPS 5-1, which supersedes FIPS 5, published November 1, 1963.

• States of the United States (including the District of Columbia) with their assigned codes
• Outlying areas of the United States with their assigned codes
• Alabama through Montana FIPS Codes by County
• Nebraska through Wyoming FIPS Codes by County

Specifications for States and Outlying Areas of the United States

1. Name of Standard. States and Outlying Areas of the United States.
2. Category of Standard. Federal General Data Standard, Representations and Codes.
3. Explanation. This standard provides names, abbreviations and codes for representing the 50 States, the District of Columbia, and the outlying areas, all of which are considered to be "first order subdivisions" of the United States.
4. Qualifications. In the application of this standard, any of the three forms of representation (i.e., names, abbreviations, or codes) may be used to represent those data elements having values (data items) of States or outlying areas of the United States. Names and abbreviations are preferred when human considerations and input reliability are important. The two character numeric code may be used in those applications where machine and numeric sorting considerations are more important, since a sort on the numeric code arranges the States in alphabetical sequence. The codes from FIPS 10, Countries, Dependencies, and Areas of Special Sovereignty, are listed in this standard for the outlying areas of the United States. The form of representation used (i.e., names, abbreviations, or codes) should be identified in format descriptions when data are interchanged.
5. Special Information. Changes in this revision of the standard are noted by an asterisk in the left margin. Also, the number of changes which have occurred to an item since its original publication is noted by a superscript character following the code. All changes are explained by footnotes.
6. Specifications.

Note: The following codes are reserved for possible future use in identifying American Samoa (03), Canal Zone (07), Guam (14), Puerto Rico (43), and Virgin Islands (52).

Note: In addition to the FIPS county codes, the following codes were used when the place name was not specific enough or the place name could not be found:

*See section 5 (Special Information) above.

63¹, 69¹, and 70¹. Deleted FIPS 5-1,F June 15, 1970. Previously assigned to the Caroline, Mariana, and Marshall Islands respectively. These islands are now included under the Trust Territories of the Pacific Islands with the new numeric code 75 and the alpha Country Code TQ (as assigned in FIPS 10, 'Countries, Dependencies and Areas of Special Sovereignty.')

64¹, 65¹, and 68¹. Deleted FIPS 5-1, June 15, 1970. Previously assigned to the Cook Islands, the Gilbert and Ellice Islands, and Line Islands, Southern respectively. These islands are no longer considered to be outlying areas of the United States and are identified and coded in FIPS 10, 'Countries, Dependencies and Areas of Special Sovereignty.'

75¹. Revised FIPS 5-1, June 15, 1970. Previously assigned to the Tokelau Islands which are no longer considered to be an outlying area of the United States. These islands are identified and coded in FIPS 10, 'Countries, Dependencies and Areas of Special Sovereignty.'

Note: Post Office Abbreviations have not been assigned to all outlying areas of the United States.

U.S. Government Printing Office: 1970 O - 397-525

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