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

National data      State level data       Metropolitan and other subState area data

Appendix A Equation - Variance v of the estimate of the log-odds ratio, lor hat, sub s and a, is a function of three quantities, q 1, q 2, and q 3. It is expressed as the sum of q 1 and q 2 minus q 3. q 1 is the variance of the logarithm of Theta 1 hat, q 2 is the variance of the logarithm of Theta 2 hat, and q 3 is 2 times the covariance between the logarithm of Theta 1 hat and the logarithm of Theta 2 hat.

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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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