Data on Health and Well-being of American Indians, Alaska Natives, and Other Native Americans. National Survey on Drug Use and Health (NSDUH)

12/01/2006

Sponsor: U.S. Department of Health and Human Services (DHHS)/Substance Abuse and Mental Health Services Administration (SAMHSA)/Office of Applied Studies (OAS)
Description: The National Survey on Drug Use and Health (NSDUH), formerly called the National Household Survey on Drug Abuse or NHSDA, is designed to produce drug and alcohol use incidence and prevalence estimates and report the consequences and patterns of use and abuse in the general U.S. civilian population aged 12 and older. Questions include age at first use, as well as lifetime, annual, and past-month usage for many drugs. The survey also covers substance abuse treatment history and perceived need for treatment, and includes questions from the Diagnostic and Statistical Manual (DSM) of Mental Disorders that allow diagnostic criteria to be applied. Respondents are also asked about personal and family income sources and amounts, health care access and coverage, illegal activities and arrest record, problems resulting from the use of drugs, perceptions of risks, and needle-sharing. Demographic data include gender, race, age, ethnicity, educational level, job status, income level, veteran status, household composition, and population density.
Relevant Policy Issues: Key Health Disparities.
Data Type(s): Survey
Unit of Analysis: Individual
Identification of AI/AN/NA: Which of these groups describes you? (The interviewer gives the respondent a handcard with race categories and instructs respondent to provide one or more races.)
  • White
  • Black/African American
  • American Indian or Alaska Native (AI/AN) (American Indian includes North American, Central American, and South American Indians)
  • Native Hawaiian (NH)
  • Other Pacific Islander (OPI)
  • Asian (for example, Asian Indian, Chinese, Filipino, Japanese, Korean, and Vietnamese)
  • Other

In the public use data, NH and OPI are combined into a single category.

AI/AN/NA Population in Data Set: The achieved sample for the 2004 NSDUH was 67,760 persons. The public use file contains 55,602 records due to a subsampling step used in the disclosure protection procedures.

From the public use 2004 data:
AI/AN (coded as Non-Hispanic Native American/Alaska Native): 784
NH/PI (coded as Non-Hispanic NH/PI): 218

Geographic Scope: The geographic scope of the study is national. Geographic indicators available on the public-use file include Metropolitan Statistical Area (MSA) with 1 million or more people, MSA with less than 1 million people, and not in MSA.
Date or Frequency: This is an annual study that has been collected from 1971 to the present. The most recent year of available data is 2004. Data from the previous years collection are typically released in September of the following year. Data from 2005 are expected to be released in September 2006.
Data Collection Methodology: The NSDUH is administered in-person by field interviewers at respondents residences.
Participation: Optional, with incentives
Response Rate: The study yielded a weighted screening response rate of 91 percent and a weighted interview response rate for the computer assisted personal interview (CAPI) of 77 percent.
Sampling Methodology: The NSDUH uses a multistage area probability sample for each of the 50 states and the District of Columbia. The 2004 sample design is a continuation of the coordinated five-year sample design that increases the precision of estimates in year-to-year trend analysis. The sample is stratified on multiple levels, beginning with states. The second level of stratification divides states into field interviewer (FI) regions. For the first stage of sampling, each FI region is partitioned into small geographic areas composed of adjacent census blocks (segments). Systematic sampling is then used to select the allocated sample of addresses from each segment. The sample design includes approximately equal numbers of persons in the following age groups: 12-17, 18-25, and 26 and older.
Analysis: There are three different analysis weights available with the 2004 NSDUH data. One weight is used when analyzing variables asked of all respondents. The others are used when analyzing data asked only of a subgroup of respondents (resulting from a complex split-sample design). Detailed instructions for applying these weights for analysis can be found at http://www.icpsr.umich.edu/SDA/SAMHDA/04373-0001/CODEBOOK/4373.htm.
Strengths: Data are collected on a key policy issue, health. There are multiple years of data available. The 2004 NSDUH is specifically designed to facilitate precise trend analysis using prior years of the survey data.
Limitations: The NSDUH does not collect data from persons who are homeless who do not stay at shelters, active duty military personnel, and persons housed in jails or hospitals.
Access Requirements and Use Restrictions: Data sets are available to the public at no cost.
Contact Information: Data and documentation can be downloaded at:
http://webapp.icpsr.umich.edu/cocoon/SAMHDA-STUDY/04373.xml

Data Archive Information:
Substance Abuse and Mental Health Data Archive (SAMHDA)
SAMHDA Helpline: (888) 741-7242
Local: (734) 615-9524
Fax: (734) 647-8200
e-mail: samhda-support@icpsr.umich.edu

SAMHDA/ICPSR
The University of Michigan
P.O. Box 1248
Ann Arbor, MI 48106-1248
U.S.A.

General Inquiries should be addressed to:
Joe Gustin
Assistant Project Officer
DHHS/SAMHSA/OAS
1 Choke Cherry Road, Room 7-1020
Rockville, MD 20857
e-mail: Joe.Gustin@samhsa.hhs.gov
http://www.oas.samhsa.gov/nsduh.htm

 

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