This report describes the procedures used for editing interviewer-administered data in the 2011 National Survey on Drug Use and Health (NSDUH) computer-assisted interview (CAI).

This report describes the general principles and procedures for editing drug use data in the 2011 National Survey on Drug Use and Health (NSDUH) computer-assisted interview (CAI).

This report describes the supplemental Mental Health Surveillance Study data collection to the 2011 National Survey on Drug Use and Health (NSDUH).

These are the computer-assisted interviewing (CAI) specifications (English version) to the 2011 National Survey on Drug Use and Health (NSDUH) survey questionnaire.

Learn about the editing and statistical imputation procedures that were applied to respondent data for the 2021 National Survey on Drug Use and Health (NSDUH). Logical editing resolves inconsistencies or ambiguous data based on a respondent’s answers to other questions in the survey. Statistical imputation uses mathematical techniques to assign values when they are missing in the data.Introductory Chapters:An introduction, including a discussion of changes from the 2020 to 2021 survey.A description of the procedures and general principles for editing the NSDUH data.A description of the general imputation procedures used in NSDUH.Remaining chapters are descriptions of the editing and imputation for the following types of variables:Front-end demographics.Back-end demographics.Substance use.Special drugs and substance use disorder.Additional substance use, including treatment and emerging issues.Substance use risk and protective factors.Physical and mental health.Roster variables.Income.Health insurance.Pair variables.

These are the computer-assisted interviewing (CAI) specifications (English version) to the 2013 National Survey on Drug Use and Health (NSDUH) survey questionnaire.

This report describes the general principles and procedures for editing and imputation for the variables in the 2012 National Survey on Drug Use and Health (NSDUH). The report also describes imputation and the predictive mean neighborhood methodology.

These are the computer-assisted interviewing (CAI) specifications (English version) to the 2017 National Survey on Drug Use and Health (NSDUH) survey questionnaire.

These are the computer-assisted interviewing (CAI) specifications (English version) to the 2016 National Survey on Drug Use and Health (NSDUH) survey questionnaire.

This is the data collection final report to the 2011 National Survey on Drug Use and Health (NSDUH).