But things are different in Spain. At least, if one trusts results from a big model vs. simple results. http://www.sciencedirect.com/science/article/pii/S0301211507000255 …pic.twitter.com/YADGpxiyXP
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Yes. Of course genes can cause enviro effects, so controlling for smoking is wrong. But you can't make that argument for gestational age.
You can. They think outside factors cause lower gestational age in LIMs, which cause earlier term birth, so we have to control for these.
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But, to me, it is not at all obvious that gestational age is "environment" the way smoking is. It's much more of a stretch. (1/2)
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Anyway, we agree. If nothing else, it's a good example of the partialling fallacy. (2/2)
End of conversation
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