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Chronic Disease and the Environment


Item: Overview
Item: Limitations
Item: FAQs
Item: Data and Documentation








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Item: Prevalence and Trends Data
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Item: Chronic Disease and the Environment
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Chronic Disease and the Environment

2001 Environmental Quality and Metropolitan Area Data and Documentation

Available Project Years
2005 | 2004 | 2003 | 2002 | 2001

On This Page: Data Information Data Files SAS Resources File Formats

Data Information

2001 Air Quality System Overview document

Please read this document before performing any data analyses.

Provides information on the Air Quality System (AQS), Air Quality Index (AQI), data limitations, variables for analyses, and statistical and analytical issues.

 Icon Representing RTF Files 829K

2001 Metropolitan Area Prevalence Tables

 Icon Representing RTF Files 225K

2001 Metropolitan Area Data Weighting Methodology

Provides information on the background, design, data collection and processing, and statistical and analytical issues.

 Icon Representing RTF Files 324K

Annual Summary of Particulate Matter (PM2.5) AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 342K

Annual Summary of Particulate Matter (PM10) AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 184K

Annual Summary of Sulfur Dioxide (SO2) AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 256K

Annual Summary of Carbon Monoxide (CO) AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 173K

Annual Summary of Ozone (O3) AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 316K

Annual Summary of Daily AQI Values for Selected Metropolitan Areas, 2001

 Icon Representing RTF Files 379K

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Data Files

The data files are provided in ASCII and SAS Transport formats. There are 87,801 records for 2001.

2001 Air Quality System Summary Data

 Icon Representing CSV Archive File 41K

Variable Layout for 2001 Air Quality System Summary

 Icon Representing RTF Files 37K

2001 Metropolitan Area Data (ASCII)
Data released August 27, 2004

This file is in ASCII format. It has a fixed record length of 871 positions.

 Icon Representing ZIP File 7.5Mb

Variable Layout for 2001 Metropolitan Area Data

Format information on variable name by column position for Metropolitan Area Data.

 Icon Representing RTF Files 15K

2001 Metropolitan Area Data (SAS Transport Format)
Data released August 27, 2004

This file was exported from SAS V8.2 in the XPT transport format. This file contains 290 variables. This format can be imported into SPSS or STATA. Please note: Some of the variable labels get truncated in the process of converting to the XPT format so they may be slightly different from what is on the PMSA_SASOUT01.SAS program.

 Icon Representing ZIP File 14Mb

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SAS Resources

PMSA_sasout01

SAS for Windows program to convert the ASCII file into a SAS dataset.

 Icon Representing RTF Files 24K

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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 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 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 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 SAS Version 8 Catalog File (SAS7BCAT). This format requires the use of statistical analysis software developed by SAS Institute, Inc.
Icon Representing SAS Files SAS Version 8 Datasets File (SAS7BDAT). This format requires the use of statistical analysis software developed by SAS Institute, Inc.
Icon Representing XPT Files 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 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 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 CSV Instruction File (CSV). This format is a comma-delimited text file which can be imported by most analysis software.

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Available Project Years
2005 | 2004 | 2003 | 2002 | 2001

Using BRFSS Data & Information
Generally, data and materials produced by federal agencies are in the public domain and may be reproduced without permission. Please refer to CDC's Suggested Citation.

 




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Page last reviewed: 08/04/2008
Page last updated: 08/04/2008

United States Department of Health and Human Services
Centers for Disease Control and Prevention
National Center for Chronic Disease Prevention and Health Promotion
Division of Adult and Community Health