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Definitions for quality domains.

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posted on 2013-02-21, 07:52 authored by Nandi Siegfried, Michael Clarke, Jimmy Volmink, Lize Van der Merwe
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The categories of ‘inadequate’ and ‘unclear’ were collapsed to create a binary variable for each quality domain for use in the logistic regression: ‘adequate (1)’ versus ‘inadequate or unclear (0)’.

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