Resolution: standard / high
Figure 2.
DAG showing a scenario where birth weight (BW) has a causal effect on and shares a common cause – current weight (CW) – with blood pressure (BP). That is, the relationship between BW and BP is confounded by CW.
Arah Emerging Themes in Epidemiology 2008 5:5 doi:10.1186/1742-7622-5-5
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