ESTHER_RH_FERTIL

RH_FERTIL=F22PRG0;
if RH_FERTIL = . then RH_FERTIL = 9;
if sex = 1 then RH_FERTIL = 9;

Source of F22PRG0 is participant's questionnaire at baseline

EPIC_RH_FERTIL

The EPIC variable FERTIL_PROB was used for the production of RH_FERTIL according to the following definition and rule.

EPIC var definition(s):
FERTIL_PROB: EPIC elderly variable showing fertility problems  (1=yes, 0=no)

Coding rule:
Variable RH_FERTIL shows if the person had ever had fertility problems and is identical to FERTIL_PROB.

Coding rule in STATA:
-gen RH_FERTIL =  FERTIL_PROB

-replace RH_FERTIL = 9 if RH_FERTIL==.