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Re: Calculating fertility rates [message #28843 is a reply to message #28842]

Mon, 18 March 2024 13:38

schoumaker
Messages: 65
Registered: May 2013
Location: Belgium

Senior Member

Thank you for your reply. I think you should avoid doing this with tfr2, which was not conceived for this type of analyses.

Given that the survey dates differ may widely (even with the most recent surveys), your fertility rates will refer to different periods. Moreover, the Ethiopia survey uses another calendar, that needs to be takes into account. In addition, if you want to obtain fertility rates for the entire set of countries, youd would need to compute and use weights that reflect the size of the women's population in these countries.

Maybe a more careful approach would be to use tabexp to compute the number of births and exposure by age groups, for each survey separately, and combine them afterwards (with weights, and having in mind that they refer to different time periods). tabexp (and tfr2) also allow defining the end year of the estmation period. For instance, if you want compute rates for the 3 years up to 2019 (included), you can use tfr2, length(3) endy(2019), or tabexp, length(3) endy(2019). This makes it possible to compute rates for the same time periods in various surveys, but you would lose some cases at higher ages in some surveys.

Best regards,

Bruno

Bruno Schoumaker
Centre for Demographic Research
Université catholique de Louvain

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[Message index]

		Calculating fertility rates By: DHS user on Tue, 26 February 2013 09:55
		Re: Calculating fertility rates By: Reduced-For(u)m on Tue, 26 March 2013 16:22
		Re: Calculating fertility rates By: schoumaker on Thu, 30 May 2013 09:51
		Re: Calculating fertility rates By: amaustin on Wed, 25 February 2015 12:16
		Re: Calculating fertility rates By: schoumaker on Fri, 27 February 2015 03:19
		Re: Calculating fertility rates By: amaustin on Fri, 27 February 2015 11:28
		Re: Calculating fertility rates By: Trevor-DHS on Fri, 27 February 2015 13:52
		Re: Calculating fertility rates By: annfitz on Tue, 26 May 2015 12:25
		Re: Calculating fertility rates By: schoumaker on Tue, 26 May 2015 14:34
		Re: Calculating fertility rates By: mianrashid on Mon, 19 September 2016 04:38
		Re: Calculating fertility rates By: Liz-DHS on Mon, 19 September 2016 08:51
		Re: Calculating fertility rates By: schoumaker on Mon, 19 September 2016 09:00
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Mon, 24 October 2016 04:09
		Re: Calculating fertility rates By: schoumaker on Mon, 24 October 2016 04:12
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Mon, 24 October 2016 07:41
		Re: Calculating fertility rates By: schoumaker on Mon, 24 October 2016 07:42
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Mon, 24 October 2016 09:26
		Re: Calculating fertility rates By: schoumaker on Mon, 24 October 2016 09:34
		Re: Calculating fertility rates By: schoumaker on Mon, 24 October 2016 10:00
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Mon, 24 October 2016 11:02
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Mon, 24 October 2016 11:04
		Re: Calculating fertility rates By: Kirwana Venantius Bbaale on Tue, 25 October 2016 06:19
		Re: Calculating fertility rates By: schoumaker on Tue, 25 October 2016 06:54
		Re: Calculating fertility rates By: rajaram on Mon, 09 October 2017 02:31
		Re: Calculating fertility rates By: schoumaker on Mon, 09 October 2017 02:42
		Re: Calculating fertility rates By: rajaram on Tue, 10 October 2017 05:17
		Re: Calculating fertility rates By: Jayanta on Tue, 21 August 2018 10:32
		Re: Calculating fertility rates By: adasgupta on Mon, 12 August 2019 05:10
		Re: Calculating fertility rates By: schoumaker on Mon, 12 August 2019 10:34
		Re: Calculating fertility rates By: DikshaJha on Thu, 16 February 2023 08:45
		Re: Calculating fertility rates By: schoumaker on Thu, 16 February 2023 09:19
		Re: Calculating fertility rates By: DikshaJha on Thu, 16 February 2023 09:49
		Re: Calculating fertility rates By: DikshaJha on Tue, 08 August 2023 05:33
		Re: Calculating fertility rates By: Janet-DHS on Tue, 15 August 2023 11:59
		Re: Calculating fertility rates By: Astride on Sun, 17 March 2024 11:50
		Re: Calculating fertility rates By: schoumaker on Mon, 18 March 2024 05:20
		Re: Calculating fertility rates By: Astride on Mon, 18 March 2024 08:58
		Re: Calculating fertility rates By: schoumaker on Mon, 18 March 2024 13:38

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