Thickening the trabeculae versus increasing the trabecular number

I'm interested in how to improve the quality/strength of specifically my trabecular bones.
I read at: "several reports have shown that jumping increases the trabecular bone mass by thickening the trabeculae, whereas treadmill running and swimming add to the trabecular bone mass by increasing the trabecular number, rather than the thickness. "

I 'm completely new to this subject. Does this mean for people with severe osteoporosis (T-value of -3.9) that it would be best or safest to first work on the trabecular number before working on thickening the trabeculae?