Calculates the odds ratio (OR) and standard error.

odds_ratio Calculates the odds ratio and standard error and degrees of freedom to be used in function with.milist.

odds_ratio(y, x, formula, data)

Arguments

y

0-1 binary response variable.

x

0-1 binary independent variable.

formula

A formula object to specify the model as normally used by glm.

data

An objects of class milist, created by df2milist, df2milist or mids2milist.

Value

The odds ratio, related standard error and complete data degrees of freedom (dfcom) as n-2.

Details

Note that the standard error of the OR is in fact the standard error of the (natural) log odds ratio.

See also

with.milist, pool_odds_ratio

Author

Martijn Heymans, 2021

Examples

imp_dat <- df2milist(lbpmilr, impvar="Impnr")
ra <- with(imp_dat, expr=odds_ratio(Chronic ~ Radiation))