CDC – BRFSS – 2020 BRFSS Asthma Call-back Survey (ACBS)

2020 ACBS History and Analysis Guidance [ZIP – 18 KB]
Provides information on the background, design, data collection and processing, statistical, and analytical issues for the BRFSS Asthma Call-back Survey (ACBS) for 2020.

2020 ACBS Adult Codebook [ZIP – 79 KB]
Codebook for the ACBS Adult data file showing variable names and frequency of values for variables for all reporting areas combined. Variables from the BRFSS interview are included on each ACBS record, but are not included in this codebook. For information on BRFSS variables, the 2020 BRFSS Codebook should be referenced.

2020 ACBS Child Codebook [ZIP – 69 KB]
Codebook for the ACBS Child data file showing variable names and frequency of values for variables for all reporting areas combined. Variables from the BRFSS interview are included on each ACBS record, but are not included in this codebook. For information on BRFSS variables, the 2020 BRFSS Codebook should be referenced.

2020 ACBS ADULT Questionnaire [ZIP – 27 KB]
Questionnaire for the ACBS Adult data file showing variable names.

2020 ACBS CHILD Questionnaire [ZIP – 34 KB]
Questionnaire for the ACBS Child data file showing variable names.

2020 ACBS Summary Data Quality Report [ZIP – 88 KB]
Procedures for interview disposition and response rates for the BRFSS Asthma Call-Back Survey (ACBS) for 2020.

In 2020 adult landline-cell phone combined data file there are 11,687 records from 27 states and Puerto Rico. In the 2020 child landline-cell phone combined data file there are 701 records from 07 states.  More information on state participation is available in the ACBS History and Analysis Guidance document. The data files are provided in SAS and SPSS formats.

2020 ACBS Adult Data SAS [ZIP – 6 MB]
Data updated: January 12, 2023.
This file contains 1384 total variables including both ACBS and BRFSS variables. This format is a SAS V9.4 data file.

2020 ACBS Child Data SAS [ZIP – 604 KB]
Data updated: January 12, 2023.
This file contains 1384 total variables including both ACBS and BRFSS variables. This format is a SAS V9.4 data file.

2020 ACBS Adult Data SPSS [ZIP – 4 MB]
Data updated: January 12, 2023.
This file contains 1403 total variables including both ACBS and BRFSS variables. This format is a SPSS V20 data file.

2020 ACBS Child Data SPSS [ZIP – 403 KB]
Data updated: January 12, 2023.
This file contains 1403 total variables including both ACBS and BRFSS variables. This format is a SPSS V20 data file.

2020 ACBS Formats, Labels and SAS Sample Code [ZIP – 66 KB]
Data updated January 12, 2023.
This file contains both ACBS Adults and Children Formats. This format is a SAS V9.4 data file.

2020 ACBS Formats, SPSS [ZIP – 27 KB]
Data updated January 12, 2023.
This file contains both ACBS Adults and Children Formats. This format is a SPSS V20 data file.