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Calculating cases for IYCF [message #11097] 
Wed, 26 October 2016 14:05 
anuth
Messages: 9 Registered: November 2015 Location: Finland

Member 


Hello DHS team,
I am working on PDHS 201213 and calculating some IYCF variables. My cases should be the youngest child living with respondent who are less than 24 months. To calculate this i performed following steps in Under 5 years child file:
1. Select Age of child <24 months
2. Select Living with whom=0
3. Select BIDX=1
But the number of child differ in my calculation and what is given in PDHS 201213 report.
My calculation is
Age group of child under 2 years
Frequency Percent Valid Percent Cumulative Percent
Valid Less than 6 months 1075 27,4 27,4 27,4
6 to 8 months 493 12,5 12,5 39,9
9 to 11 months 535 13,6 13,6 53,5
12 to 17 months 1123 28,6 28,6 82,1
18 to 23 months 703 17,9 17,9 100,0
Total 3929 100,0 100,0
But in PDHS 201213 report the total number of under 2 years child eligible for IYCF questionnaire is 3,206 ( from table 11.5, page 200)
Grateful if you could help me to find where i am wrong or what i am missing)
Thank you,
Anupa
A








Re: Calculating cases for IYCF [message #11522 is a reply to message #11516] 
Sun, 08 January 2017 09:34 
Roselync
Messages: 9 Registered: December 2016 Location: Taiwan

Member 


Dear DHS team and colleagues,
I managed to find the exclusive breastfeeding rate of 71.4% which is similar to that of the 2010 Malawi DHS REPORT but surprisingly the denominator(05 months) is 1656 instead of 1698,i tried key in the codes that I was given previously several times using Stata but I keep getting the same denominator(1656) .Iam also still finding challenges to find the correct predominant feeding and complementary feeding rate estimate.my predominant feeding rate(05 months) was 75.64% and Malawi demographic health survey report rate is 77.5%.my complementary feeding rate (023months) is 22.15% and the rate in the report is 19%.I used every step of the code that I was previously given to get the EXCLUSIVE BREASTFEEDING rate(please find it below).I have also indicated how I got the predominant and complementary feeding rate.
** Exclusive breast feeding
use MWKR61FL.dta, clear
gen age=v008b3
keep if b9==0
* finding the youngest child living with the mother for each mother
bysort v001 v002 v003: egen minbidx=min(bidx)
* keep only children less than 2 years
keep if age<24
* need to drop those that are bidx==2 and minbidx==1
drop if bidx>minbidx
gen water=0
gen liquids=0
gen milk=0
gen solids=0
gen breast=0
gen bottle=0
*TO DETERMINE IF CHILD IS GIVEN WATER, SUGAR WATER, JUICE, TEA OR OTHER.
replace water=1 if (v409>=1 & v409<=7)
* IF GIVEN OTHER LIQUIDS
foreach xvar of varlist v409a v410 v410* v413* {
replace liquids=1 if `xvar'>=1 & `xvar'<=7
}
cap replace liquids=1 if v412c>=1 & v412c<=7
* IF GIVEN POWDER/TINNED milk, FORMULA OR FRESH milk
foreach xvar of varlist v411 v411a v412 v414p {
replace milk=1 if `xvar'>=1 & `xvar'<=7
}
* IF STILL BREASTFEEDING
replace breast=1 if m4==95
* IF WAS EVER BOTTLE FED
replace bottle=1 if m38==1
*IF GIVEN ANY SOLID FOOD
foreach xvar of varlist v414* {
replace solids=1 if `xvar'>=1 & `xvar'<=7
}
replace solids=1 if v412a==1  v412b==1
gen diet=7
replace diet=0 if water==0 & liquids==0 & milk==0 & solids==0
replace diet=1 if water==1 & liquids==0 & milk==0 & solids==0
replace diet=2 if liquids==1 & milk==0 & solids==0
replace diet=3 if milk==1 & solids==0
replace diet=4 if milk==0 & solids==1
replace diet=5 if milk==1 & solids==1
replace diet=6 if breast==0
*diet=0: given only water (full bf)
*diet=1: given only liquids (bf & liquids)
*diet=2: given only milks (bf & milk)
*diet=3: given only solids (bf & solids)
*diet=4: given only milk and solids (bf & milk & solids)
*diet=5: not still breastfeeding (weaned)
*diet=6: not now being breastfed (m4~=95)
** Matching Table 11.3 for exclusive breast feeding in 05 month children **
gen ebf=0
replace ebf=1 if diet==0
ta ebf if age<6 [iw=v005/1000000]
*To calculate predominant breastfeeding rate I used this code
gen pred=0
replace pred=1 if diet==1
replace pred=1 if diet==0
*To calculate complementary feeding
gen comp=0
replace comp=1 if diet==2
replace comp=1 if diet==3
replace comp=1 if diet==4
Could anyone please advise me on the above percentages, if the differences I have found are acceptable or not;also if I missed any step to calculate the variables for exclusive breastfeeding, predominant feeding and complementary feeding. Your assistance will be highly appreciated.
Regards,
Rose






Re: Calculating cases for IYCF [message #11555 is a reply to message #11554] 
Tue, 10 January 2017 09:06 
Roselync
Messages: 9 Registered: December 2016 Location: Taiwan

Member 


Dear Bridget,
Thank you so much for the clarification, I have cross checked in the report, its clear now. For the predominant and complementary feeding I also managed to get the rate that matches with the report. Thank you so much for the assistance, I really appreciate.
Regards,
Rose



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