2018 NAMCS Questionnaires, Datasets, and Documentation

Overview

Resources on this page provide information about the 2018 National Ambulatory Medical Care Survey (NAMCS) data collection, its participants, and its protocols, as well as analytic notes and references. They will help you understand, analyze, and use the 2018 NAMCS data.

Community health center data

Data files

NAMCS has not yet released data files using information collected from community health centers in 2018.

Survey instruments

• Community health center induction interview questions (sample card)

Office-based physician data

Public use files

SAS, Stata, and SPSS links open folders that include data files and format-specific instructions for using them (in ReadMe files) for multiple years.

• ReadMe
• Data documentation
• SAS data files
• Stata data files
• SPSS data files

Addendum

NCHS has released an addendum to the 2018 NAMCS public use file data documentation, and a SAS dataset with refined weighting variables for patient visit and physician data. The refined weighting variables reflect changes made to the weighting methodology used with the 2019 NAMCS.

The addendum includes a program to merge the new variables with the 2018 NAMCS public use data file. Researchers can use this program to apply the same methodology for both the 2018 and 2019 datasets.

Survey instruments

• Physician induction interview questions (sample card)
• Patient record questions (sample card)

Find more

• NAMCS Questionnaires, Datasets, and Documentation
  • Includes 2023 and 2024 resources
• 2022 NAMCS Questionnaires, Datasets, and Documentation
• 2021 NAMCS Questionnaires, Datasets, and Documentation
• 2020 NAMCS Questionnaires, Datasets, and Documentation
• 2019 NAMCS Questionnaires, Datasets, and Documentation