Home » Countries » Tanzania » Maternal age at first birth
| Re: Maternal age at first birth [message #2738 is a reply to message #2736] |
Tue, 19 August 2014 11:12   |
Trevor-DHS
Messages: 803
Registered: January 2013
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Senior Member |
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Hi Method,
you are right about the calculation - I wrote that backwards. It should be int((v211-v011)/12) as you have it.
BIDX$01 and BORD$01 are referring to the same child - all birth history variables with $01 are the same child, and that is the last born child.
BIDX$01 will be 1 - the index number for the birth history, going from oldest to youngest.
BORD$01 is the birth order, and, for example, if the woman had 8 children BORD$01 would be 8.
similarly, for the child before last the variables all end with $02.
BIDX$02 will be 2 - the index number in the birth history.
BORD$02 is the birth order, and, continuing the example from above, for a woman with 8 children it would have the value 7.
If a woman gave birth to 8 children, you will find the information about the first born child in the variables with $08 on the end.
Similarly if a woman gave birth to 6 children, you will find the information for the first born child in the variables ending with $06.
I hope this helps to clarify the structure of the data.
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