| Re: mean and median duration of breastfeeding [message #641 is a reply to message #631] |
Fri, 19 July 2013 10:41   |
Sarah B
Messages: 23
Registered: June 2013
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Hi Freddy,
Here's some code I wrote to match the table 6.8 in the Ethiopia 2005 data, which is the table on postpartum amenorrhea, insusceptibility and postpartum sexual abstinence. Please note that this table (and code) uses current status data, rather than recall of durations, which Shea mentions in his response.
** Use the KR data file, which contains all births in the 5 years prior to the survey
use "C:\DATA\ETKR51FL.DTA", clear
** Calculate age of the child in months
g agem=v008-b3
** generate sampling weight
g wgt = v005/1000000
**The denominator for the table = women with children <36m old.
**select only 2nd birth for multiple births -- assigned midx=1
ta b0 if agem<36 & (b0==0 | b0==2) [iw=wgt]
**note that this matches the total denominator.
**amenorrheic
g amen=0 if agem<36 & (b0==0 | b0==2)
*if currently pregnant, make not amenorrheic. Select for numerator only information from most recent birth (m6).
recode amen 0=1 if m6==96 & v213!=1 & midx==1
ta amen [iw=wgt]
**abstaining - same denominator and selections as for amenorrheic
g abst=0 if agem<36 & (b0==0 | b0==2)
recode abst 0=1 if m8==96 & v213!=1 & midx==1
ta abst [iw=wgt]
**insuceptible = amenorrheic or abstaining
g insuc = 0 if agem<36 & (b0==0 | b0==2)
recode insuc 0=1 if abst==1 | amen==1
ta insuc [iw=wgt]
**All match ET table 6.8
I hope this helps with your first question.
Cheers,
Sarah
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