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GidMK's profile
Health Nerd
Health Nerd
Health Nerd
Verified account
@GidMK

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Health NerdVerified account

@GidMK

Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him

Sydney, New South Wales
theguardian.com/profile/gideon…
Joined November 2015

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    1. Health Nerd‏Verified account @GidMK 6 Jan 2019

      Here's the study. It was looking at a 393-person subset of a larger study, which as I've said is really, really small for this kind of observational trial https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2719576 …

      1 reply 0 retweets 2 likes
      Show this thread
    2. Health Nerd‏Verified account @GidMK 6 Jan 2019

      Seriously, I doubt whether this was sufficiently well-powered to establish a statistical difference once you've split it up into so many categories

      1 reply 0 retweets 1 like
      Show this thread
    3. Health Nerd‏Verified account @GidMK 6 Jan 2019

      You can kind of see this in that they split the drinkers into 4 groups: never, abstainers, 1-7 drinks per week, 7+ drinks per week These are ~really weird~pic.twitter.com/d0yF2oA7Z5

      1 reply 0 retweets 0 likes
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    4. Health Nerd‏Verified account @GidMK 6 Jan 2019

      Usually with drinking, you'd divide it into 1 per day (i.e. 7 per week), 2 per day, 3 per day etc This significantly limits the applicability of the findings straight up, because the AVERAGE alcohol consumption in many countries is more than double this 'safe' amount

      1 reply 0 retweets 0 likes
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    5. Health Nerd‏Verified account @GidMK 6 Jan 2019

      And the tiny sample size means that their results are only ~barely~ significant, because the difference between moderate and other drinkers is always very small anywaypic.twitter.com/a7eMAqTIeP

      2 replies 0 retweets 0 likes
      Show this thread
    6. Sir Panda (Zad Rafi)‏ @dailyzad 7 Jan 2019
      Replying to @GidMK

      I agree with your overall points here, but I'm not sure about the fixation on decision theoretics. Why would statistical significance or power matter here (in a study that's observational and has no random mechanisms)?

      1 reply 0 retweets 1 like
    7. Sir Panda (Zad Rafi)‏ @dailyzad 7 Jan 2019
      Replying to @dailyzad @GidMK

      I'd say this is one of those scenarios where there is little justification for it (unlike experiments that can be replicated and constantly involve some sort of randomization, or surveys that involve random sampling etc.)

      2 replies 0 retweets 1 like
    8. Sir Panda (Zad Rafi)‏ @dailyzad 7 Jan 2019
      Replying to @dailyzad @GidMK

      This seems to me like a scenario where interval estimation would shine as would interpreting any observed Ps in a neoFisherian way (as continuous measures) or using Bayesian methods like the ROPE (region of practical equivalence procedure)

      2 replies 0 retweets 1 like
    9. Sir Panda (Zad Rafi)‏ @dailyzad 7 Jan 2019
      Replying to @dailyzad @GidMK

      I can say that JAMA is probably one of the worst journals with zero interest in proper statistical inference

      1 reply 0 retweets 1 like
    10. Kevin Bass, MS‏ @kevinnbass 7 Jan 2019
      Replying to @dailyzad @GidMK

      are there any good online stats classes that either of you two would recommend. i had a good stats class in undergrad but forgot most of it and stats here is taught plug-and-chug and not critically.

      4 replies 0 retweets 1 like
      Health Nerd‏Verified account @GidMK 7 Jan 2019
      Replying to @kevinnbass @dailyzad

      I've learned more about stats from Twitter and Googling my questions than from any of my uni courses tbh

      1:58 PM - 7 Jan 2019
      • 1 Like
      • Sir Panda (Zad Rafi)
      1 reply 0 retweets 1 like
        1. New conversation
        2. Sir Panda (Zad Rafi)‏ @dailyzad 7 Jan 2019
          Replying to @GidMK @kevinnbass

          Well, I'm definitely going to have to plug my blog which is pretty much all stats and history of stats and folks like @Lester_Domes have tremendously helped correct errors in it and his works have led to several blog posts too https://www.lesslikely.com/ 

          1 reply 1 retweet 4 likes
        3. Health Nerd‏Verified account @GidMK 7 Jan 2019
          Replying to @dailyzad @kevinnbass @Lester_Domes

          Yes also read Zad's blog it's good

          1 reply 1 retweet 1 like
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