[kgwgk]

> I read it that the invite doesn get you differnces, the colonoscopy itsrlf does.

Differences with what?

Not with the counterfactual where those people didn’t get a colonoscopy! (At least as far as I can tell from the results being discussed here.)

> every single additional person showing up for a screening is a net win.

Maybe. This study doesn’t tell us much about it.