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ALCLDMO
Month had last drink (atypical abstinence, past 2 weeks)

Codes and Frequencies



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

00NIUX
01JanuaryX
02FebruaryX
03MarchX
04AprilX
05MayX
06JuneX
07JulyX
08AugustX
09SeptemberX
10OctoberX
11NovemberX
12DecemberX
97Unknown-refusedX
99Unknown-don't knowX