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How to calculate mother's age at most recent birth (last birth) in BDHS 2011 [message #3779] Tue, 10 February 2015 11:16 Go to next message
sam07 is currently offline  sam07
Messages: 4
Registered: January 2015
Location: India
Member
Sir, I am interest to know how to calculate mother's age at most recent birth for Bangladesh DHS data set (2011) in SPSS/STATA
Re: How to calculate mother's age at most recent birth (last birth) in BDHS 2011 [message #3792 is a reply to message #3779] Wed, 11 February 2015 12:06 Go to previous messageGo to next message
Bridgette-DHS is currently offline  Bridgette-DHS
Messages: 1671
Registered: February 2013
Senior Member
Following is a response from Senior DHS Specialist, Noureddine Abderrahim:

You can use the CMC date of birth of the mother, which you will subtract from the CMC date of birth of the child (B3) divided by 12;

Agec = (V011-B3)/12.

An explanation of the CMC or century month code can be found in the DHS Recode Manual.
Re: How to calculate mother's age at most recent birth (last birth) in BDHS 2011 [message #14795 is a reply to message #3792] Sun, 06 May 2018 09:44 Go to previous messageGo to next message
sadya2018@gmail.com
Messages: 98
Registered: April 2018
Location: Ethiopia, in Africa
Senior Member
Thank you all!!

Hassen Ali Hamza (BSc in Public Health,Master of Public Health Candidate)
Re: How to calculate mother's age at most recent birth (last birth) in BDHS 2011 [message #15093 is a reply to message #3792] Fri, 01 June 2018 07:20 Go to previous messageGo to next message
abpromiti is currently offline  abpromiti
Messages: 19
Registered: December 2017
Location: Dhaka
Member
hi,
i calculated mothers age at birth by
COMPUTE age1 = B3$01 - V011.
in spss.
but it gives values in cmc.
i want age1 as
<20yrs
20-29yrs
30-34yrs
>35yrs.
what can i do now?
pls help me.
Re: How to calculate mother's age at most recent birth (last birth) in BDHS 2011 [message #15094 is a reply to message #15093] Fri, 01 June 2018 08:31 Go to previous message
sadya2018@gmail.com
Messages: 98
Registered: April 2018
Location: Ethiopia, in Africa
Senior Member
Dear user, Maternal age at birth is computed as follow:
Maternal age at birth=(B3-V011)/12
For SPSS user, we have to follow the following steps:
1) Open your SPSS Data set
2)Click Transform
3) Click Compute Variable
4)Write your target variable in the target variable box
5) Write the numeric expression (equation)
=(B3-V011)/12 into the Numeric Expression box.
6) Click "Ok"
#Then to Categorized (Recode) this variable follow the following steps:
1)Click Transform
2)Click recode into Different Variable
3) Choose your target variable and move into input variable box
4) Write the output variable "Name & Label"
5) Click "Change"
6) Click "Old and New values"
7)Click "Range,LOWEST through value:Then write for example 19.999 value into the box to exclude the value "20" Then give the value as you want (for example "1") & add
for Range values,for example 20-29 years
Click "Range" write "20" through"29" Then give value for example "2" Then Add
You can do all by this step. ~Finally Click Continue.
It may help you!!
I am a new DHS Forum user,You can search other sources for SPSS and also DHS users & experts may add for you.
With Best Wishes,Hassen



Hassen Ali Hamza (BSc in Public Health,Master of Public Health Candidate)

[Updated on: Fri, 01 June 2018 08:35]

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