Teen pregnancy correlates with poverty. Having a significantly older boyfriend does too. It's actually logical and reasonable. We need to eliminate poverty.

This is from the excellent Hines & Finkelhor meta study.

full text: https://www.unh.edu/ccrc/sites/default/files/media/2022-03/statutory-sex-crime-relationships-between-juveniles-and-adults-a-review-of-social-scientific-research.pdf