From 921cc299257f1281d4c12710dc05bd1ea6baed67 Mon Sep 17 00:00:00 2001 From: "N. Brouard" Date: Wed, 16 Jun 2004 22:45:51 +0000 Subject: [PATCH] *** empty log message *** --- html/doc/imach.htm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/html/doc/imach.htm b/html/doc/imach.htm index c74f100..b02455a 100644 --- a/html/doc/imach.htm +++ b/html/doc/imach.htm @@ -1008,7 +1008,7 @@ href="biaspar/vplrbiaspar.txt">biaspar/vplrbiaspar.txt

The period prevalence has to be compared with the cross-sectional prevalence. But both are statistical estimates and therefore have confidence intervals. -For the cross-sectional prevalence we generally need information on +
For the cross-sectional prevalence we generally need information on the design of the surveys. It is usually not enough to consider the number of people surveyed at a particular age and to estimate a Bernouilli confidence interval based on the prevalence at that -- 2.43.0