Proposed hybrid sampling frame for the National Survey on Drug Use and Health : final report / Vincent G. Iannocchione and Joseph P. McMichael.

Format:

Book

Author/Creator:

Iannocchione, Vincent G., author.

McMichael, Joseph P., author.

Language:

English

Subjects (All):

Drug addiction.

Statistics--Methodology.

Statistics.

Physical Description:

1 online resource (ix, 41 pages)

Place of Publication:

Rockville (MD) : Substance Abuse and Mental Health Services Administration (US), 2012.

Summary:

Researchers view address-based sampling (ABS) as a potential remedy for the rising costs associated with in-person surveys of the U.S. general population. The Substance Abuse and Mental Health Services Administration considered ABS methodology for the National Survey on Drug Use and Health (NSDUH) by using a hybrid sampling frame. The NSDUH sampling frame has traditionally relied on field enumeration (FE) to identify dwelling units (DUs) that are eligible for selection. The proposed hybrid sampling frame would use ABS as a frame for the vast majority of NSDUH segments but would still rely on FE and the half-open interval procedure for the remaining (primarily rural) segments where ABS coverage is low. The Check for Housing Units Missed (CHUM) procedure would be used to cover missed DUs in ABS segments. METHOD: This report summarizes research to evaluate the coverage, cost, and implementation of the proposed hybrid sampling frame for NSDUH. RESULTS: Theoretically, the hybrid frame provides 100 percent coverage of the target population; however, ABS coverage of group quarters (GQs) is problematic. Without a frame supplementation procedure like the CHUM, geocoding error can lead to over-coverage error and under-coverage error of an ABS frame. Geocoding is problematic in rural areas and in area segments comprised of smaller levels of census geography. The cost savings afforded by the hybrid frame depend on how many segments are assigned to ABS, and as stated, there are problems associated with ABS for rural areas and GQs. ABS frames supplemented with the CHUM procedure provide 100 percent coverage of the target population when the CHUM is implemented correctly; however, the challenge remains with ensuring that field staff are adequately trained to identify when CHUM procedures are necessary. CONCLUSION: With proper training and monitoring, the hybrid sampling frame can be implemented in a way that reduces survey costs while maintaining the high scientific standards of NSDUH.

Notes:

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