it use normal dist. instead of T dist for Z statistic, which usually corresponds to asymptotic normal dist.
> -0.283+c(-1,1)*qnorm(0.975)* 0.121 [1] -0.5201556 -0.0458444 -- View this message in context: http://r.789695.n4.nabble.com/confint-for-glm-general-linear-model-tp954071p3341527.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.