> The link I posted is data for the change in teen mental health between 2019 and 2021. The data incorporates all of the effects of COVID, Lockdowns and school

> The link I posted is data for the change in teen mental health between 2019 and 2021. The data incorporates all of the effects of COVID, Lockdowns and school closures Yes, my point is that is exactly the problem with your data. It needs to be broken down by location to account for differences in lockdowns and school closures, to claim there was any or no effect.