Here's the study which the article criminally does not link to: https://www.thelancet.com/journals/lanplh/article/PIIS2542-5196(19)30215-3/fulltext https://www.

Here's the study which the article criminally does not link to: https://www.thelancet.com/journals/lanplh/article/PIIS2542-5196(19)30215-3/fulltext https://www.thelancet.com/journals/lanplh/article/PIIS2542-5... It's a meta analysis of 9 longitudinal studies of green space and mortality, all of which consider socio-economic status as a co-variate.