*1984 Survey
* Getting Started
*Questionnaires & Codebooks
*Data Files Chart
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Using the 1984 Survey Data

This document lays out some key concepts and some recommended reading to hopefully help the newest user get started with the 1984 Survey data.

Know the Components of the Survey

The 1984 survey has two components: community and household.   Each component has one questionnaire, one codebook and at least one data file associated with it:  (a) The community component has one questionnaire, one codebook and one data file.  (b) The household component has one questionnaire, one codebook and two data files.

Using the Codebooks        

In the front of each codebook, there are two sections that should be helpful in using the codebook and the data files:

  • Codebook Conventions    
This section describes the different conventions used in the codebook including data file pointers,  the column format, the variable names, missing and not applicable values and standard vs restricted-use shading.
  • Identifier Variables

This section describes the identifier variables used across all survey years and all survey components.  This identifier section is critical for understanding and using the data.

Understand the Data Files

  • Data Format
All data files are in SAS xport transport format.  This means that when you reference the data file with a libname statement in your SAS program that you must specify the xport engine and the entire path name for the data file.  For example:
libname in1 xport '/this/is/the/directory/filename.01';
  • Data Structure and Specifications
Please refer to the 1984 survey data files chart to learn about the data structure and the specifications for each of the data files.  Specifications on each data file includes:  the corresponding survey forms with brief descriptions; the SAS data set name; the number of observations and variables; the unit/level of analysis (1 obs=); the identifier sets; how the data file is currently sorted; and the SAS pathname.

  Last Modified: 06/10/2004 UNC Carolina Population Center