TROMSO_RH_EVERBFEED

Name: RH_EVERBFEED

Description and values: Has the woman ever breast-fed?

• 0=No
• 1=Yes
• 9=Missing/insufficient data. 

Local variable explanation:

*CHILD_1_BREASTFEED_T4 : *If you have given birth, how many months did you breastfeed the first child?

...

*CHILD_11_BREASTFEED_T4 : *If you have given birth, how many months did you breastfeed the eleventh child?

SAS code:
If CHILD_1_BREASTFEED_T4>1 or CHILD_2_BREASTFEED_T4>1 or CHILD_3_BREASTFEED_T4>1 or CHILD_4_BREASTFEED_T4>1

or CHILD_5_BREASTFEED_T4>1 or CHILD_6_BREASTFEED_T4>1 or CHILD_7_BREASTFEED_T4>1 or CHILD_8_BREASTFEED_T4>1

or CHILD_9_BREASTFEED_T4>1 or CHILD_10_BREASTFEED_T4>1 or CHILD_11_BREASTFEED_T4>1 then RH_EVERBFEED=1;

else if CHILD_1_BREASTFEED_T4 EQ 0 and CHILD_2_BREASTFEED_T4 EQ 0 and CHILD_3_BREASTFEED_T4 EQ 0 and

CHILD_4_BREASTFEED_T4 EQ 0 and CHILD_5_BREASTFEED_T4 EQ 0 and CHILD_6_BREASTFEED_T4 EQ 0 and

CHILD_7_BREASTFEED_T4 EQ 0 and CHILD_8_BREASTFEED_T4 EQ 0 and CHILD_9_BREASTFEED_T4 EQ 0 and

CHILD_10_BREASTFEED_T4 EQ 0 and CHILD_11_BREASTFEED_T4 EQ 0 then RH_EVERBFEED=0;

else RH_EVERBFEED=9;        

ESTHER_RH_EVERBFEED

RH_EVERBFEED = F23STIL;
if RH_EVERBFEED = . then RH_EVERBFEED = 9;
if sex = 1 then RH_EVERBFEED = 9;

Source of F23STIL is participant's questionnaire at baseline

EPIC_RH_EVERBFEED

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

EPIC var definition(s):
FEED: EPIC elderly variable showing breastfeeding (1=yes, 0=no)

Coding rule:
Variable RH_EVERBFEED shows breastfeeding and is identical to FEED.

Coding rule in STATA:
-gen RH_EVERBFEED =  FEED

-replace RH_EVERBFEED = 9 if RH_EVERBFEED==.