Its totally fine to recommend masks & to note strengths & limits w data
But let's not go overboard and claim a cluster RCT was impossible. It certainly was possible in March. @mgtmccartney
Here is what is wrong with this op-ed: [thread]https://www.nytimes.com/2020/11/06/opinion/sunday/coronavirus-masks.html?smid=tw-share …
I'll take a look. There are some ringworm studies that try to get at (some) benefit to others aspect as well, but in each instance I've seen, the intervention isn't as simple as a t-shirt someone can wrap around their face, thus you can try to randomize between communities.
-
-
Is the thing you're worried about that some people might wear masks in the control group? Why is this a problem? The intervention being tested is efforts to increase mask wearing. E.g. when breastfeeding RCTs are done, the intervention tested is promotion of breastfeeding.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.