This video provides a demonstration of Poisson regression in Stata where you have multiple predictors.
A copy of the Stata data file can be downloaded here: https://drive.google.com/file/d/1Q0JjFEJUHYMXrVf9kk2NhAX0RXiHH-TV/view
A copy of the Powerpoint I referred to in the video can be downloaded here:
https://drive.google.com/file/d/1gWnm4Xy2A0M2XxWffDAm_wg2caLWvSBc/view
Check out other videos and resources at: https://sites.google.com/view/statistics-for-the-real-world/home