From what I have seen women tend to prefer the larger phone sizes more than men, because they keep it in their handbags and use it two-handed.
Tap enough sacrificial indulgences on a neutered iPad or Watch, and it will software-unlock obvious convergence functionality, whose artificial absence now proliferates physical devices and environmental expense.
I will say that the folding screen seems like a gimmick on the "2.5 phones taped together" size. For compact flip phones it makes sense tho.
I agree, we should only talk about individual anecdotes. After all, we are special little snowflakes, each and one of us.
Based on that, I would expect half the men to be able to use even the biggest non-fold phones one handed without any problem.