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Re: Pregnancy History [message #10774 is a reply to message #10601]

Sat, 10 September 2016 18:24

Trevor-DHS
Messages: 805
Registered: January 2013

Senior Member

Yes, there are inconsistencies in the reporting of the outcome and the duration of pregnancy, with some pregnancies reported as ending with miscarriages at 7 months or more, and some pregnancies reported as stillbirths, but with a duration of only a couple of months. These are almost certainly reporting errors, but the data have not been edited to remove them. You will need to decide how you want to handle them in your analysis.

If you compare the numbers in your first table above with those in table 5.15 then the results match. I suspect though that you are comparing to table 8.5. This table is produced in a very different way, based on the calendar data, and following the approach used in most DHS that do not use a pregnancy history. In these surveys, stillbirths are calculated based on reported duration of pregnancy in the calendar of 7 months or more. Based on your second table above, that would be 424 births. However table 8.5 reports just 412 births. Because of the way the calendar is collected, some stillbirths are not included in the calendar, and thus table 8.5 may slightly undercount stillbirths. The calendar only permits one code to be captured in each month of the calendar. In the case of stillbirths, if there are twins and one is a stillbirth and one a live birth, then only the live birth is captured in the calendar. Similarly if the pregnancy was twins and both were stillbirths, then again, only one stillbirth is captured in thye calendar. Thus in these two cases, stillbirths would be missed and not counted in the numbers in table 8.5

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[Message index]

		Pregnancy History By: waqas on Thu, 25 February 2016 01:07
		Re: Pregnancy History By: Liz-DHS on Thu, 25 February 2016 17:37
		Re: Pregnancy History By: waqas on Fri, 26 February 2016 04:42
		Re: Pregnancy History By: Liz-DHS on Fri, 26 February 2016 09:33
		Re: Pregnancy History By: Liz-DHS on Fri, 26 February 2016 16:42
		Re: Pregnancy History By: waqas on Mon, 29 February 2016 12:34
		Re: Pregnancy History By: Liz-DHS on Wed, 30 March 2016 20:07
		Re: Pregnancy History By: waqas on Mon, 06 June 2016 05:12
		Re: Pregnancy History By: Liz-DHS on Mon, 06 June 2016 15:11
		Re: Pregnancy History By: Trevor-DHS on Mon, 06 June 2016 17:13
		Re: Pregnancy History By: waqas on Sun, 19 June 2016 13:58
		Re: Pregnancy History By: Trevor-DHS on Sun, 19 June 2016 23:24
		Re: Pregnancy History By: waqas on Mon, 20 June 2016 02:22
		Re: Pregnancy History By: Trevor-DHS on Mon, 20 June 2016 10:29
		Re: Pregnancy History By: waqas on Tue, 21 June 2016 02:40
		Re: Pregnancy History By: Trevor-DHS on Tue, 21 June 2016 10:55
		Re: Pregnancy History By: waqas on Tue, 21 June 2016 13:43
		Re: Pregnancy History By: chr8850 on Mon, 15 August 2016 22:46
		Re: Pregnancy History By: Trevor-DHS on Sat, 10 September 2016 18:24
		Re: Pregnancy History By: chr8850 on Sun, 25 September 2016 00:49
		Re: Pregnancy History By: Trevor-DHS on Tue, 27 September 2016 14:46
		Re: Pregnancy History By: gafap on Thu, 27 April 2017 08:35
		Re: Pregnancy History By: Trevor-DHS on Tue, 21 June 2016 15:20

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