| Re: Details about KR file [message #14340 is a reply to message #14325] |
Mon, 26 March 2018 07:22   |
Bridgette-DHS
Messages: 3041
Registered: February 2013
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Senior Member |
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Following is another response from Senior DHS Stata Specialist, Tom Pullum:
Below I have written some Stata code that construct the BMI categories for the mother and calculate the percentage of children age 0-4 who are stunted for mothers in each of these categories. The log file is attached. For example if the mother is in the lowest category of BMI, 44.5% of children are stunted. If the mother is in the highest category of BMI, only 21.8% of children are stunted. As the BMI of the mother increases, there is a monotonic decline in the percentage of children who are stunted.
set more off
use e:\DHS\DHS_data\KR_files\BDKR72FL.dta, clear
log using e:\DHS\scratch\logtemp.smcl, replace
* Child:
* hw70 int %8.0g HW70 height/age standard deviation (new who)
* hw71 int %8.0g HW71 weight/age standard deviation (new who)
* hw72 int %8.0g HW72 weight/height standard deviation (new who)
* Mother:
* v445 int %8.0g V445 body mass index
* Note that v445 is bmi x 10
gen stunted=.
replace stunted=0 if hw70>-600 & hw70<600
replace stunted=100 if hw70>-600 & hw70<-200
gen bmi_category=1
replace bmi_category=2 if v445>=1700
replace bmi_category=3 if v445>=1850
replace bmi_category=4 if v445>=2300
replace bmi_category=5 if v445>=2500
replace bmi_category=6 if v445>=3000
* recommend omitting implausibly high values but this is optional
replace bmi_category=. if v445>6000
label define bmi_category 1 "<17" 2 ">=17 and <18.5" 3 ">=18.5 & <23" 4 ">=23 & <25" 5 ">=25 & <30" 6 ">=30"
label values bmi_category bmi_category
tab bmi_category stunted [iweight=v005/1000000],m
svyset [pweight=v005]
svy: mean stunted,over(bmi_category)
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Attachment: logtemp.smcl
(Size: 4.82KB, Downloaded 527 times)
[Updated on: Mon, 26 March 2018 07:23] Report message to a moderator |
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