I also struggled with the comparison to what I viewed as their student profile. What I found helped me avoid from spiraling-down-the-comparison-game was the PA Platform's interview with the program director and admissions director. (link:
Throughout the interview, they make it clear that they're not looking for a certain type of applicant, and they welcome those that have been shaped by their experiences through all kinds of different walks of life. Your perspective is unique! And, with an interview under your belt, I'm sure that they could see you contributing to that diversity this program cultivates. Rooting for ya!