We adjusted persistent (time invariant) differences by geography with county level fixed effects and for secular temporal fluctuations with a dummy indicator variable for quarter.
We follow the approach of a dummy indicator for convenience and because it tends to be bounded by the two standard Oaxaca-Blinder gaps.
Weekends and public holidays were adjusted for by including dummy indicator terms in order to control for the artefactual drop in reporting that occurs on these days.
Marital status or having a serious partner was included as a time-varying dummy indicator.
We first assessed the potential for carry-over effects by including dummy indicators for dose used in the prior period (all indicators were zero for the first period and for periods following placebo) and conducting a 3 degree of freedom test at the 0.05 level.
Job finding indicator: The job finding variable is described by a dummy variable taking 1 if the worker was not working but actively seeking for a job one year ago and is currently employed, and 0 otherwise.
Job separation indicator: The job separation variable is described by a dummy variable taking 1 if the worker was employed one year ago and is currently non-employed, and 0 otherwise.
The "friend" is played by a dummy.
Who wants to be frowned at by a dummy?
However, at any time of the ITER operation, a TBM set can be replaced by a dummy TBM.
