You might also consider ?confint
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jorge Ivan Velez Sent: Monday, September 22, 2008 5:36 PM To: Luciano La Sala Cc: R mailing list Subject: Re: [R] Coefficients, OR and 95% CL Dear Luciano, See ?logistic.display in the epicalc package. If glm1 is your model, something like logistic.display(glm1) should do the job. HTH, Jorge On Mon, Sep 22, 2008 at 5:28 PM, Luciano La Sala <[EMAIL PROTECTED]>wrote: > Dear R-users, > > After running a logistic regression, I need to calculate OR by > exponentiating the coefficient, and then I need the 95% CL for the OR as > well. For the following example (taken from P. Dalaagard's book), what would > be the most straightforward method of getting what I need? Could anyone > enlight me please? > > Thank you! > Lucho > > > summary(glm(menarche~age,binomial)) > > Call: > glm(formula = menarche ~ age, family = binomial) > > Deviance Residuals: > Min 1Q Median 3Q Max > -4.68654 -0.13049 -0.01067 0.09608 2.35254 > > Coefficients: > Estimate Std. Error z value Pr(>|z|) > (Intercept) -17.9175 1.7074 -10.49 <2e-16 *** > age 1.3549 0.1296 10.45 <2e-16 *** > --- > Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 > > (Dispersion parameter for binomial family taken to be 1) > > Null deviance: 974.31 on 703 degrees of freedom > Residual deviance: 223.95 on 702 degrees of freedom > (635 observations deleted due to missingness) > AIC: 227.95 > > Number of Fisher Scoring iterations: 9 > > > > > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. =================================== P Please consider the environment before printing this e-mail Cleveland Clinic is ranked one of the top hospitals in America by U.S. News & World Report (2008). Visit us online at http://www.clevelandclinic.org for a complete listing of our services, staff and locations. Confidentiality Note: This message is intended for use\...{{dropped:13}} ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.