Re: Protection with TT injections for most recent birth [message #28209 is a reply to message #28203] |
Wed, 29 November 2023 08:52 |
Bridgette-DHS
Messages: 3199 Registered: February 2013
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Senior Member |
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Following is a response from Senior DHS staff member, Tom Pullum:
This variable is the number of years since the most recent tetanus injection. If you look at the distribution, it goes out to 40 years, but 99.4% of the responses are in the past 20 years. I believe 20 years is an arbitrary boundary for saying that any larger numbers are probably due to recall error.
I just copied (with some minor editing) the GitHub construction, which is based on the CSPro construction. I don't know who decided on a boundary of 20 but it gives a match to the report.
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