TROMSO_RH_A_1FTP

Name: RH_A_1FTP

Short description: Age at 1st full term pregnancy 

Type: Decimal

Description and values: Age at 1st full term pregnancy in years. 
Code 9999 for insufficient data,

Local variable explanation:

*CHILD_1_BORN_T4 : *If you have given birth, what year was the first child born?

DATE_T4: Date of examination

SAS code:

if CHILD_1_BORN_T4>0 then RH_A_1FTP=AGE_T4 - (year(DATE_T4) - year(CHILD_1_BORN_T4));

else RH_A_1FTP=9999;      

ESTHER_RH_A_1FTP

if F21PRG15 = 15 then RH_A_1FTP = 15;
else if F21PRG16 = 16 then RH_A_1FTP = 16;
else if F21PRG17 = 17 then RH_A_1FTP = 17;
else if F21PRG18 = 18 then RH_A_1FTP = 18;
else if F21PRG19 = 19 then RH_A_1FTP = 19;
else if F21PRG20 = 20 then RH_A_1FTP = 20;
else if F21PRG21 = 21 then RH_A_1FTP = 21;
else if F21PRG22 = 22 then RH_A_1FTP = 22;
else if F21PRG23 = 23 then RH_A_1FTP = 23;
else if F21PRG24 = 24 then RH_A_1FTP = 24;
else if F21PRG25 = 25 then RH_A_1FTP = 25;
else if F21PRG26 = 26 then RH_A_1FTP = 26;
else if F21PRG27 = 27 then RH_A_1FTP = 27;
else if F21PRG28 = 28 then RH_A_1FTP = 28;
else if F21PRG29 = 29 then RH_A_1FTP = 29;
else if F21PRG30 = 30 then RH_A_1FTP = 30;
else if F21PRG31 = 31 then RH_A_1FTP = 31;
else if F21PRG32 = 32 then RH_A_1FTP = 32;
else if F21PRG33 = 33 then RH_A_1FTP = 33;
else if F21PRG34 = 34 then RH_A_1FTP = 34;
else if F21PRG35 = 35 then RH_A_1FTP = 35;
else if F21PRG36 = 36 then RH_A_1FTP = 36;
else if F21PRG37 = 37 then RH_A_1FTP = 37;
else if F21PRG38 = 38 then RH_A_1FTP = 38;
else if F21PRG39 = 39 then RH_A_1FTP = 39;
else if F21PRG40 = 40 then RH_A_1FTP = 40;
if RH_A_1FTP=. then RH_A_1FTP=9999;
if sex = 1 then RH_A_1FTP = 9999;

Source of F21PRG15 - F21PRG40 is participant's questionnaire at baseline

EPIC_RH_A_1FTP

The EPIC variable A_1FTP was used for the production of RH_A_1FTP according to the following definition and rule.

EPIC var definition(s):
A_1FTP: EPIC elderly variable showing Age at first full term pregnancy

Coding rule:
Variable RH_A_1FTP shows age at full term pregnancies and is identical to A_1FTP.

Coding rule in STATA:
-gen RH_A_1FTP = A_1FTP

-replace RH_A_1FTP=9999 if RH_A_1FTP==.