3 ms·
It did: "Blood samples were collected from N=10,952 consenting, symptomatic individuals." From https://www.poverty-action.org/sites/default/files/publications/
by bendbro 5y ago
It did: "Blood samples were collected from N=10,952 consenting, symptomatic individuals."
From https://www.poverty-action.org/sites/default/files/publications/Mask_RCT____Symptomatic_Seropositivity_083121.pdf https://www.poverty-action.org/sites/default/files/publicati... , pg 2, Abstract section, para 2
- nradov 5y agoNo that wasn't sampling in the sense that you asked the original question. They only tested symptomatic individuals. They didn't test representative random samples of the intervention and control groups.