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Re: Maternal age at first birth [message #13195 is a reply to message #13065]

Mon, 02 October 2017 18:15

Trevor-DHS
Messages: 808
Registered: January 2013

Senior Member

In Stata, you could do something like the following:

use ZZIR62FL.DTA
rename b*_0* b*_*

gen age_2nd_birth = .
forvalues i = 1/20 {
  replace age_2nd_birth = int((b3_`i' - v011)/12) if bord_`i' == 2
}
tab age_2nd_birth

This code loops through all 20 entries in the birth history and finds the second birth (where bord = 2) and calculates the age at the second birth using the century month code of that birth.

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[Message index]

		Maternal age at first birth By: methodkazaura@yahoo.no on Sat, 16 August 2014 04:17
		Re: Maternal age at first birth By: Trevor-DHS on Sun, 17 August 2014 23:28
		Re: Maternal age at first birth By: methodkazaura@yahoo.no on Mon, 18 August 2014 00:45
		Re: Maternal age at first birth By: Trevor-DHS on Mon, 18 August 2014 13:35
		Re: Maternal age at first birth By: methodkazaura@yahoo.no on Tue, 19 August 2014 02:03
		Re: Maternal age at first birth By: Trevor-DHS on Tue, 19 August 2014 11:12
		Re: Maternal age at first birth By: gafap on Thu, 14 September 2017 10:27
		Re: Maternal age at first birth By: Trevor-DHS on Mon, 02 October 2017 18:15

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