TROMSO_RH_A_MENOP

Name: RH_A_MENOP

Description and values: Age at menopause in years. 

If the person has not had menopause then code 8888, else 9999 for insufficient data.

Local variable explanation:

MENOPAUSE_AGE_T4 : If you no longer menstruate, how old were you when you stopped menstruating?

SEX_T4 : Sex

SAS code:

if MENOPAUSE_AGE_T4>0 then RH_A_MENOP=MENOPAUSE_AGE_T4;

else if SEX_T4 EQ 1 then RH_A_MENOP=8888;

else RH_A_MENOP=9999;     

NSWEDEN_RH_A_MENOP

RH_A_MENOP=v14_JAA;

if v14_JAA=. then RH_A_MENOP=9999;

v14_JAA is the ma_V14_JAA in the variable list

MORGAM_RH_A_MENOP

The RH_A_MENOP variable is defined using the MORGAM variable AGEM and the CHANCES variable RH_MENOP.

AGEM
"How old were you when your periods stopped completely?
88 = not relevant (for men and for women known to be pregnant or still having periods)
99 = insufficient data

The following rule is used:

HAPIEE_RH_A_MENOP

STATA code

h32: age at last period
h31: still having periods -> 1=yes, regular, 2=yes, irregular 3=no
h34: using hormonal contraception -> 1=no, 2=yes, but not now, 3=yes, still using

gen rh_a_menop=h32 if rh_menop==1 | rh_menop==3 | rh_menop==4
replace rh_a_menop=. if h31==3 & h34==3 // postmenopausal when not using HC while not having periods
// -> may be caused by use of HC
replace rh_a_menop=. if (h31==1 | h31==2) & age>62 // women older 62 are considered to be postmenopausal
replace rh_a_menop=. if age<=h32 & !missing(h32)
label variable rh_a_menop "Age at menopause"

ESTHER_RH_A_MENOP

RH_A_MENOP=F24RGBL2;
if RH_A_MENOP=. and F24RGBL = 1 then RH_A_MENOP = 8888;
if RH_A_MENOP=. then RH_A_MENOP=9999;
if sex = 1 then RH_A_MENOP = 9999;

if RH_MENOP = 3 and RH_A_MENOP =8888 then RH_A_MENOP =9999;

Source of F24RGBL2 and F24RGBL is participant's questionnaire at baseline.
Variable RH_MENOP is a CHANCES variable.

EPIC_RH_A_MENOP

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

EPIC var definition(s):
A_MENOP: EPIC elderly variable showing age at menopause

Coding rule:
Variable RH_A_MENOP shows age at menopause and is identical to A_MENOP.

Coding rule in STATA:
-gen RH_A_MENOP = A_MENOP

-replace RH_A_MENOP=9999 if RH_A_MENOP==.