| Infant and Under-five Mortality in Myanmar [message #15042] |
Mon, 28 May 2018 01:00  |
maimawite@gmail.com
Messages: 3
Registered: January 2018
Location: Thailand
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Dear Sir,
Let me ask questions on using weight on DHS data. As per guidelines and video clip from the webside, I do understand that using of weight on analysis of the data.
I am working on factors associated with infant and under-five mortality in Myanmar and I would like to do analysis by using of methodology called logit model and magnitude of impact by Maximum likelihood method and not with ODD ratio.
I do not know how to use stata code to get the point.
When I use svy: quietly logit INM X1 X2 ..... and the results showed with logistic regression.
From the forum, I learned alot on my paper and thanks for all of your contribution.
Best wishes,
Lal Hrin Mawi
Lal Hrin Mawi
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| Re: Infant and Under-five Mortality in Myanmar [message #15069 is a reply to message #15061] |
Wed, 30 May 2018 00:54  |
maimawite@gmail.com
Messages: 3
Registered: January 2018
Location: Thailand
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Member |
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Dear Liz,
Thanks for your quick reply and additional links for further study on statistics. Mostly, the studies were done with odd ratios, ΟR=γ(1)/1-r(1)γ(0)/1-r(0).
In my case, I would like to use the methodologies called ,Maximum likelihood method using in non-liner equation or econometric model.
Please let me share my some work done so far.
***** Factors associated with Infant and Under-five mortality in Myanmar"
replace INM = 1 if b7 <12&!missing(b7)
replace INM = 0 if INM == .
generate CM = .
replace CM = 1 if inrange(b7,12,48)
replace CM=0 if CM ==.
generate U5M = .
replace U5M = 1 if inrange(b7,0,48)
replace U5M = 0 if U5M == .
gen wgt = v005/1000000
gen psu = v021
gen strata = v023
svyset psu [pw = v021], strata(v022)
recode v212 (12/19=0) (20/35=1) (36/43=2), gen(Age)
gen WealthQ1 = 1 if v190 == 1
replace WealthQ1 = 0 if WealthQ1 == .
gen WealthQ2 = 1 if v190 == 2
replace WealthQ2 = 0 if WealthQ2 == .
gen WealthQ3 = 1 if v190 == 3
replace WealthQ3 = 0 if WealthQ3 == .
gen WealthQ4 = 1 if v190 == 4
replace WealthQ4 = 0 if WealthQ4 == .
gen WealthQ5 = 1 if v190 == 5
replace WealthQ5 = 0 if WealthQ5 == .
gen female=1 if b4==2
replace female=0 if b4==1
gen twin=1 if b0==1|b0==2|b0==3
replace twin=0 if b0==0
gen Breastfeeding=1 if m4==93| m4==95
replace Breastfeeding=0 if m4==94
replace Breastfeeding=0 if Breastfeeding==.
Explanatory variables used are Age of mother at birth; wealth qunitles of HH;twin;female;breasefeeding etc
Stata command is as follows:
quietly logit INM Age WealthQ2 WealthQ3 WealthQ4 WealthQ5 feamle twin Breastfeeding
margins, dydx(*)
quietly logit INM i.Age WealthQ2 WealthQ3 WealthQ4 WealthQ5 female twin Breastfeeding
. margins, dydx(*)
Average marginal effects Number of obs = 4815
Model VCE : OIM
Expression : Pr(INM), predict()
dy/dx w.r.t. : 1.Age 2.Age WealthQ2 WealthQ3 WealthQ4 WealthQ5 female twin
Breastfeeding
and I tried to use svy:quietly logit INM Age WealthQ2 WealthQ3 WealthQ4 WealthQ5 feamle twin Breastfeeding;
svy: quietly logit INM i.Age WealthQ2 WealthQ3 WealthQ4 WealthQ5 female twin Breastfeeding
(note: ignoring quietly)
(running logit on estimation sample)
Survey: Logistic regression
The results are shown with logistic regression.
I did not know how to use weight in logit model with marginal effect. Could you kindly provide me stata command used for econometric model.
Thanks in advance for your input.
Best Wishes,
Lal
Lal Hrin Mawi
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