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DIFRXWHEN
When most recent medication prescribed

Codes and Frequencies



An 'X' indicates the category is available for that sample

0NIUXXX
1In the past 6 monthsXXX
27 to 12 months agoXXX
3More than 12 months agoXXX
7Unknown-refused··X
8Unknown-not ascertained···
9Unknown-don't knowXX·