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The 2002 National Survey on Drug Use and Health (NSDUH) was the twenty second in a series of general population surveys designed to provide annual nationwide data on substance abuse patterns and behaviors in the United States. Continuing the expanded sample design first implemented in 1999, the scope of the 2002 survey allowed for the production of data estimates for the nation and each of the 50 states and the District of Columbia. Prior to 2002, the survey was known as the National Household Survey on Drug Abuse (NHSDA). 1
The NSDUH was funded by the Substance Abuse and Mental Health Services Administration (SAMHSA), an agency of the United States Public Health Service, part of the U.S. Department of Health and Human Services. SAMHSA chose Research Triangle Institute (RTI) to conduct activities including sampling, counting and listing, screening, interviewing, data processing, and reporting. This report examines the preparations and procedures used in carrying out the data collection tasks and also presents the results of data collection.
As an overview, data collection preparatory work on the 2002 NSDUH began in March of 2001. Following a January training program for all returning veteran interviewers, data collection work began on January 7, 2002 and was completed by December 20, 2002. The field staff of approximately 720 field interviewers worked each month to complete a total of 68,126 interviews using computer-assisted interviewing (CAI). New for the 2002 survey was the use of a cash incentive. Interviewers paid each respondent $30 in cash upon completion of the interview.
Table 1.1 provides approximate time periods for the various tasks completed.
The remainder of this report addresses the following topics relating to data collection for the 2002 NSDUH: Sampling and Counting/Listing (C/L), Data Collection Staffing, Preparation of Survey Materials, Field Staff Training, Data Collection, Data Collection Results, and Quality Control.
Table 1.1
Schedule of Major Data Collection Activities
| Activity | Approximate Time Frame |
|---|---|
| Recruit listing staff | March - August 2001 |
| Conduct counting/listing and create lists of Sample Dwelling Units (SDUs) | April - November 2001 |
| Adjust 2001 Management Staff for 2002 due to new territory alignments (replacement staff also hired throughout the year as needed) | Fall 2001 |
| Recruit Field Interviewers for 2002 (Initial staff—replacement staff also hired throughout the year as needed) | November - December 2001 |
| Prepare computerized screening and interviewing programs | June - October 2001 |
| Prepare manuals and materials for trainings | May 2001 - January 2002 |
| Conduct veteran interviewer training sessions | January 2002 |
| Conduct new-to-project interviewer training sessions | January - September 2002 |
| Conduct and manage screening/interviewing operations | January 7 - December 20, 2002 |
| Conduct verification operations | January 7, 2002 - January 6, 2003 |
1 Throughout this report, a reference made to a past NSDUH implies a past NHSDA, since the two names refer to the same annual survey.
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This page was last updated on May 16, 2008.
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