The point I was trying to make, and my apologies if I didn't make it clearly, is that we have some falls prevention research programs that clearly show a reduction in falls and we have some that show no reduction in falls. What we're trying to do now is figure out the minimum—the intensity, the regularity, and even the types of interventions that have to be done. We don't know where that point is. But it seems to me there's a bend in the line, rather than just a linear gradient, which you'd expect to find.
On January 29th, 2008. See this statement in context.