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Skip To Content
Click for DHHS Home Page
Click for the SAMHSA Home Page
 Click for the OAS Drug Abuse Statistics Home Page
Click for What's New
Click for Recent Reports and HighlightsClick for Information by Topic Click for OAS Data Systems and more Pubs Click for Data on Specific Drugs of Use Click for Short Reports and Facts Click for Frequently Asked Questions Click for Publications Click to send OAS Comments, Questions and Requests Click for OAS Home Page Click for Substance Abuse and Mental Health Services Administration Home Page Click to Search Our Site


2004 State Estimates of Substance Use
(from the 2003-2004 National Surveys on Drug Use & Health)

bulletNational data      bulletState level data       bulletMetropolitan and other subState area data

Appendix A Equation - The covariance between the logarithm of Theta 1 hat and the logarithm of Theta 2 hat is equal to the correlation between the logarithm of Theta 1 hat and the logarithm of Theta 2 hat multiplied by the square root of the product of the variance of the logarithm of Theta 1 hat and variance of the logarithm of Theta 2 hat.

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This page was last updated on December 30, 2008.

SAMHSA, an agency in the Department of Health and Human Services, is the Federal Government's lead agency for improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services in the United States.

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