blm (version 2011.1.3)

logistic.baseline: Estimate an absolute risk from a logistic regression model

Description

Estimate the absolute risk and confidence interval against the reference population of the logistic regression model of cohort data.

Usage

logistic.baseline(C,fit,sig=4,alpha=.05)

Arguments

C

vector of covariate values for the group whose absolute risk is to be estimated

fit

glm object for logistic regression

sig

numeric number of significant digits for reported estimate

alpha

numeric value to specify the 100(1-alpha)% confidence interval for the risk difference

Value

• For the relative risk of the group against the reference population, returns a list of est, lower, upper and CI.