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BRFSS Annual Survey Data
Survey Data and Documentation
Survey Data Information
1998 BRFSS
Overview
Overview_98.rtf
Provides information on the background, design, data collection and
processing, statistical and analytical issues. |
28K |
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Comparability of Data
Compare_98.rtf
Comparability of data across reporting areas. |
9K |
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1998 BRFSS Codebook
Codebook_98.rtf
Codebook for the file showing variable name, location, and frequency of
values for all reporting areas combined. |
1.1Mb |
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BRFSS
Questionnaire Content Plan
Table1_98.rtf
Subject summary of core questionnaire content. |
7K |
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BRFSS Modules Used
Arranged by state or by category. |
By State
![](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/navimages/spacer.gif)
By
Category |
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Estimated
Telephone Coverage
Table3_98.rtf
Estimated telephone coverage. |
42K |
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Summary Sample
Design
Table4_98.rtf
Summary of sample design and sample size for 1998 survey. |
7K |
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Calculated Variables in Data Files
Riskfactor_98.rtf
Description of risk factors by data variable name. |
31K |
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1998 BRFSS Questionnaire
QCoreMod_98.rtf
Core
questions and optional modules. |
194K |
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FIPS
Codes
Fipscode.rtf
State and county FIPS codes. |
628K |
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Data Files
There are 149,342 records for 1998. More information on participation is
available in the states conducting
surveillance, by year table. The data files are provided in both
ASCII and SAS Transport formats.
1998 BRFSS Data
(ASCII)
This file is in ASCII format. It has a fixed record length of 500
positions. |
11.3Mb |
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1998 BRFSS Data (SAS Transport
Format)
This file was exported from SAS V8.2 in the XPT transport format.
This file contains 326 variables. This format can be imported into SPSS
or STATA. Please note: some of the variable labels are truncated in the
process of converting to the XPT format so they may be slightly
different from what is on the SASOUT98.SAS program. |
21.4Mb |
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Variable
Layout
VarLayout_98.rtf
Format information on variable name by column position |
47K |
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SAS Resources
The following files are included for use with SAS software developed by
SAS Institute Inc. The .sc2 file is a SAS proprietary format library to be used in
conjunction with the data file produced from SAS98OUT.sas. Save SAS files as
plain text files.
format98.sc2
Format
library used with the 1999 BRFSS SAS Data File |
193K |
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format98.sas
SAS for Windows program used to generate the 1998 format library |
43K |
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sasout98.sas
SAS for Windows program to convert the ASCII file into a SAS dataset
(requires an additional 210 MB of disk space) |
24K |
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sampleSAS.sas
A sample SAS program that calls SUDAAN to produce prevalence estimates
for one variable. |
2K |
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sampleSUD.sas
An example of the SUDAAN code for obtaining appropriate statistics and
called by the sample SAS program. |
2K |
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transprt.sas
SAS for Windows program to convert the XPT file into a SAS dataset. |
3K |
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File Formats
A word about file formats:
The BRFSS Survey Data and documentation are available in several
different file formats. Each available format is described below. |
![Icon Representing RTF Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-rtf.gif) |
Rich Text Format File (RTF).
This format contains plain text and allows for basic formatting. Use
a word processor to view and edit these files. |
![Icon Representing ZIP Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-zip.gif) |
Zip Archive File (ZIP).
The zip format contains one or more files within it and is
compressed to minimize the file's size. Use any zip utility to unzip
these archives. |
![Icon Representing SAS Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-sas.gif) |
SAS Instruction File (SAS). This format
contains plain text which can be edited with a text editor. The
instructions are intended for statistical analysis software
developed by SAS Institute, Inc. |
![Icon Representing SAS Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-sasbcat_lg.gif) |
SAS Version 8 Catalog File (SAS7BCAT). This format
requires the use of statistical analysis software
developed by SAS Institute, Inc. |
![Icon Representing SAS Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-sasbdat_lg.gif) |
SAS Version 8 Datasets File (SAS7BDAT). This
format requires the use of statistical analysis software
developed by SAS Institute, Inc. |
![Icon Representing XPT Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-xpt.gif) |
SAS Transport File (XPT).
This format allows data sets created by the SAS software to be imported directly into other statistical software such as Stata or SPSS. |
![Icon Representing PDF Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-pdf.gif) |
Portable Document
Format File (PDF). This format allows formatting that enables
full document navigation. You will need
Acrobat Reader (a free
application) to view and print this document. |
![Icon Representing TXT Files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon-txt.gif) |
Plain Text File
(TXT). This format contains simple text. Use any text editor to
view and edit these files. |
![Icon Representing comma-separated values files](https://webarchive.library.unt.edu/web/20090506105243im_/http://www.cdc.gov/brfss/images/icon_csv.gif) |
CSV Instruction
File (CSV). This format is a comma-delimited text file which can
be imported by most analysis software. |
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