Hi RangerTed...

You should probably ask a scoliosis specialist for a definitive answer, but I think that uneven distribution of carried weight can cause lower back pain, but not scoliosis. Before the era of outcome studies, many of us with scoliosis were told that our scoliosis was caused by carrying heavy things (especially babies) on one hip before our skeletons were mature. Now, I've heard dozens of scoliosis specialists say that was nonsense.

Carrying heavy objects on one side can cause a functional scoliosis, which is a temporary curve.

You're not alone in finding scoliosis for the first time at a mature age. In a very recent study, it was found that 68% of healthy adults with an average age of 70.5, have scoliosis: