How bad is it? Critiquing a logistic regression study

Take the live visualization/data mining class at https://simplistics.net/course/data-visualization-and-random-forest-live-may-2025/ Take the self-guided course at https://simplistics.net/course/randomforest/ For other classes, see: https://simplistics.net/all-courses/ For consulting, see: https://simplistics.net/product/statistics-consulting-by-the-hour/ Take the self-guided simplistics course: https://simplistics.net/course/univariate/ Here's the link for that paper: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0267747#sec020 Resources on why it's a bad idea to dichotomize a variable: https://youtu.be/14C2YHnEYAI https://psycnet.apa.org/record/1993-16093-001