Post

What are some of the best DAGs you seen that depict time-varying confounding? Could be from a 'real' worked example, or generic. #EpiSky

30/1/26, 4:07 pm5 reposts11 likes

Tim Green

@otherprofgreen.bsky.social

30 Jan

I don’t understand, there is only one DAG @davidallengreen.bsky.social

Mel Bartley

@zetkin.bsky.social

30 Jan

There was interesting work ages ago on time varying health behavior as a confounder of the relationship between social position & CHD. It showed the most important factor was the fall off in exercise as people began to develop symptoms.

Roman Folw

@romanfolw.bsky.social

1 Feb

Not sure if it belongs among the best, but it is an example from the last article added to my 'to read' folder. doi.org/10.1093/pubm...

Dr Will Ball

@wpball.com

30 Jan

I'm thinking in terms of visual depictions. If you include more than one time point and time-invariant confounders things get very messy very quickly.

Ben Moran

@benmoran.bsky.social

31 Jan

Here’s one I’m using for my PhD on the effect of opioid dose (TV exposure) on persistent opioid use in survivors of ICU. Pain, sedation, and analgesic adjuncts are all TV confounders, & age/sex/admission diagnosis are time-invariant confounders. Time is baseline (t0), t1… tN.