"post period" is not correct or usable in written English.
If you are referring to something that happened after a period of time, you would say "afterward" or "subsequently". Example: After the semester was complete, I studied abroad and subsequently spent two months traveling.
However, it leaves only two years in the pre period and three in the post period.
The second important choice is whether to include an interaction term between the post period and demographic characteristics.
Columns (4 - 6) present results when allowing the coefficients on the demographic controls to vary in the post period.
Even Hispanics, who appear to have performed worse on the SAT in the post period, saw an increase in their high school GPAs.
A naive look at the graphic would suggest a very small increase in the Californian SAT math scores in the post period.
Treated firms have a significantly higher share of male Flexjob hirees than comparison firms (municipal and regional sector) in the post period.
Superscripts indicate that variables are either for the benchmark period (0) or the ex-post period (1).
The change in clinic physician supply was positively associated with baseline hospital physician density both in the pre- and post- period (P-values =. 001 for pre- period and <.001 for post- period).
Urban centres showed statistically positive associations with the change in clinic physician supply in the post- period (P-value =. 003).
SES composite index had significant effect in the post- period, while there was no such effect in the pre- period.> -wrap-foot> aThe likelihood ratio test statistic.
Ordinary least-squares regression models were used to analyze changes in STM-level physician supply in the pre- and post- period.
