| Re: Stillbirth risk factor [message #21886 is a reply to message #21865] |
Tue, 05 January 2021 07:47  |
Bridgette-DHS
Messages: 3061
Registered: February 2013
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Senior Member |
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Following is a response from DHS Research & Data Analysis Director, Tom Pullum:
The calculation of stillbirths is generally based on the calendar for the five years before the interview. You can find a Stata program to calculate that, as part of perinatal morality, in the DHS GitHub site (a link is on the User Forum homepage). I can think of two ways to reduce the interval from 60 months to 24 months. The first way is to modify the program. Instead of 0-59 months before the interview you change to 0-23. The other way is to reduce the calendar in the data file to the last 24 months, before running the program. Either of these would be tricky. Also with a shorter time interval you have fewer events and less statistical power. You can do the reduction but I recommend that you stay with the standard five-year calculation in the GitHub program.
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