The two biggest issues for anyone with mobility issues in a truck camper is the step up into the camper and then the step up into the bed. I suggest you look at some truck campers to assess your comfort with especially the bed room. There are many solutions to the step up into the camper (additional steps, short ladders, etc). The bed room is usually the more difficult problem. Trying a few floor plans out will give you a lot better answer than anything we can tell you. I'm 70 years old and my wife is 63 and we have no issues with the truck camper but we also don't have any medical issues limiting our mobility. And after 12,000 miles in our truck camper this year (so far) we are still loving every minute and only wish we could be gone more.