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. Author manuscript; available in PMC: 2018 Feb 2.
Published in final edited form as: Stata J. 2016 Apr;16(2):443–463.
variable name storage
type
display
format
value
label
variable label

id      int %8.0g Patient ID
time      byte %9.0g Measurement time (weeks)
treat      byte %8.0g treat1 Randomised treatment assignment
base      double %12.0g Baseline FEV1 (L)
fev      float %9.0g FEV1 (L)