Diamond4Hands4Ever
Diamond4Hands4Ever t1_iym1kq8 wrote
Reply to Traffic related air pollution is associated with an increased likelihood of having multiple long-term physical and mental health conditions, research on 364,000 people found. Simple measures to reduce traffic levels could potentially improve lives and lessen the pressure on our healthcare systems. by Wagamaga
Sorry if this is a dumb question, but for studies like this, how do you account for positive selection bias? Like people who choose to live in certain areas with higher concentration of air pollution might also have some kind of unobserved characteristic correlated to long-term physical and mental health conditions. I don’t know what one pathway would be, but maybe it could be job related. For example, a miner might choose to live in an area with worse air condition due to their job. That job also then causes physical problems. So the causal pathway is the job, not the actual air pollution.
Diamond4Hands4Ever t1_iy6ipoq wrote
Reply to How the Great Depression shaped people’s DNA. Researchers have found that the cells of people who were conceived during the Great Depression, which lasted from 1929 to 1939 and, at its height, saw about 25% of the US workforce unemployed, show signs of accelerated ageing. by MistWeaver80
How does it compare to 1939-1945? I would imagine those years caused as much if not more stress.
Diamond4Hands4Ever t1_ixx2fie wrote
Reply to A study of NFL games during the 2020 season suggests a link between attendance and COVID spikes in surrounding counties 14 and 21 days later. The inferred connection held strongest for games attended by 20,000-plus fans by Wagamaga
Did they separate this analysis between outdoor games and games in domes? Just curious to know if there are any differences.
Diamond4Hands4Ever t1_j0td4uw wrote
Reply to A study finds that researcher degrees of freedom in statistical software contribute to unreliable results. Specifically, multiple inconsistencies were found in the results produced between statistical packages due to algorithmic variation, computational error, and statistical output. by Alysdexic
Is this saying people will use the program that gives them the results to best fit their narrative?