Don’t sibling control studies indicate that the effect of alcohol exposure in the womb is mostly due to genetic confounding?https://twitter.com/KirkegaardEmil/status/1125752047452737537 …
This study was underpowered though because few people drink during pregnancy, but still finds some evidence. https://jamanetwork.com/journals/jamapsychiatry/fullarticle/482482 …pic.twitter.com/Bqc8DilmBg
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This was one of the ones I had in the mind. The results weren’t significant.
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p = .03 and p = .04. So it contradicts you per normal standards, and all the betas were positive, in line with causal effect. This study was just too small to begin with, but one cannot cite it arguing for a negative...
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