is each sibling's death maternal, by MICS coding?
is_maternal_mics.RdAs is_preg_related_mics, but restricted to deaths within 42 days of the
end of a pregnancy and excluding deaths due to violence (MM26) or an
accident (MM27). Only computable for MICS6 and MICS7; MICS4 and MICS5 ask
no cause-of-death questions.
Arguments
- sib_df
the prepped sibling dataset
- na.action
how to treat a sibling who died within two months of the end of a pregnancy (
MM24 = 1) but whose day count (MM25) is missing. See add_maternal_deaths