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st: Statistical significance of standardized rates


From   Karman Tandon <karmantandon@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: Statistical significance of standardized rates
Date   Thu, 4 Apr 2013 11:44:21 -0400

Hi,

I've used the dstdize function to standardize/adjust across a number
of variables. My data looks like this:

Summary of Study Populations:
     quartile        N      Crude     Adj_Rate       Confidence Interval
 --------------------------------------------------------------------------
        1           290   0.196552     0.060000    [  0.060000,    0.060000]
        2           233   0.124464     0.030526    [  0.030526,    0.030526]
        3           216   0.087963     0.020000    [  0.020000,    0.020000]
        4           210   0.066667     0.014737    [  0.014737,    0.014737]

How do I determine p-values for the significance of the adjusted rates
compared to one another?

Thanks!
Karman
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