Fig. 3 | Nature Communications

Fig. 3

From: Mendelian randomisation analysis of the effect of educational attainment and cognitive ability on smoking behaviour

Fig. 3

Potential relationships between education, cognitive ability and smoking. Potential DAGs for the relationship between educational attainment, general cognitive ability and smoking behaviour. a General cognitive ability is a mediator of some of the relationship between educational attainment and smoking. b Educational attainment is a mediator of some of the relationship between general cognitive ability and smoking. DAG directed acyclic graph

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