Randomization assignment was prepared by the study statistician and was accessed through a computer program.
The randomization sequence was provided by the study statistician consultant in an opaque sealed envelope to the study pharmacists.
The randomization sequence was provided by the study statistician in an opaque sealed envelope to the study pharmacists.
Results of isoniazid metabolite testing were reported in aggregate by the study statistician so that double-blinding was maintained.
Randomization codes were created by the study statistician, and randomization occurred at the time of first vaccination.
Randomization codes were independently created by the study statistician and participants were randomly assigned treatment numbers upon presentation for the first dose of vaccine.
The allocation sequence is overseen by the study statistician (YJ).
The randomization scheme was created by the study statistician.
The randomisation took place at a separate site, supervised by the study statistician.
These practices were randomly assigned by the study statistician, one to intervention and one to control.
Randomization sequence was maintained by the study statistician to assure concealment.
