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Re: Rotav Vaccine and nutrition [message #27889 is a reply to message #27865]

Tue, 17 October 2023 12:30

Janet-DHS
Messages: 885
Registered: April 2022

Senior Member

Following is a response from DHS staff member, Tom Pullum:

Sorry--I don't use R. Basically I recommend that you think in terms of variables rather than sub-populations. Children can be classified according to a nutrition variable (for example, with categories for exclusive breastfeeding, partial breastfeeding, not being breastfed at all) and diarrhea in the past two weeks (yes / no). You can cross-tabulate these two variables, or you can do a logit regression of the diarrhea variable on the nutrition variable, to see whether there is an association. You need to include controls for age, etc., which is much easier with a multivariate method such as regression than with tabulation. You should be able to find many examples of this type of analysis if you search the literature on child health and nutrition.

If you restrict your analysis to children who have diarrhea, then you can only describe that group, and can't get at how they differ from children who do not have diarrhea.

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[Message index]

		Rotav Vaccine and nutrition By: backclac on Thu, 10 August 2023 22:01
		Re: Rotav Vaccine and nutrition By: backclac on Tue, 15 August 2023 06:03
		Re: Rotav Vaccine and nutrition By: psychebeyondpsychologist on Tue, 17 October 2023 08:50
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Tue, 15 August 2023 12:06
		Re: Rotav Vaccine and nutrition By: backclac on Wed, 16 August 2023 11:13
		Re: Rotav Vaccine and nutrition By: backclac on Wed, 23 August 2023 16:11
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Thu, 24 August 2023 13:58
		Re: Rotav Vaccine and nutrition By: backclac on Thu, 31 August 2023 08:07
		Re: Rotav Vaccine and nutrition By: admin on Thu, 31 August 2023 10:57
		Re: Rotav Vaccine and nutrition By: backclac on Sun, 03 September 2023 21:39
		Re: Rotav Vaccine and nutrition By: backclac on Sun, 03 September 2023 21:48
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Thu, 07 September 2023 17:18
		Re: Rotav Vaccine and nutrition By: backclac on Thu, 07 September 2023 22:13
		Re: Rotav Vaccine and nutrition By: attroamlo on Tue, 19 March 2024 06:46
		Re: Rotav Vaccine and nutrition By: backclac on Wed, 13 September 2023 15:58
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Fri, 15 September 2023 17:36
		Re: Rotav Vaccine and nutrition By: backclac on Sat, 16 September 2023 09:12
		Re: Rotav Vaccine and nutrition By: backclac on Tue, 10 October 2023 22:16
		Re: Rotav Vaccine and nutrition By: backclac on Wed, 11 October 2023 21:52
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Fri, 13 October 2023 13:30
		Re: Rotav Vaccine and nutrition By: backclac on Sat, 14 October 2023 06:25
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Tue, 17 October 2023 12:30
		Re: Rotav Vaccine and nutrition By: backclac on Tue, 17 October 2023 21:54
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Mon, 23 October 2023 15:25
		Re: Rotav Vaccine and nutrition By: backclac on Mon, 23 October 2023 20:08
		Re: Rotav Vaccine and nutrition By: backclac on Thu, 14 December 2023 18:30
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Fri, 22 December 2023 09:18
		Re: Rotav Vaccine and nutrition By: backclac on Sat, 23 December 2023 01:33
		Re: Rotav Vaccine and nutrition By: Janet-DHS on Tue, 02 January 2024 12:07
		Re: Rotav Vaccine and nutrition By: backclac on Thu, 04 January 2024 03:27
		Re: Rotav Vaccine and nutrition By: rohanzx67 on Fri, 02 February 2024 05:57

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