Table 1.

Study data sets

Study name	Traits	N	Data type	Reference
IBD data sets
MSCCR	IBD CD UC	1246	Sample-level genotypes and phenotypes	(38)
RISK	CD	873	Sample-level genotypes and phenotypes	(19,40)
de Lange et al.	IBD CD UC	59 957	Summary GWAS stats	(12)
Substance use data sets
GSCAN	Alcohol drinks per week Smoking: Initiation Smoking cessation Age of smoking initiation Cigarettes per day	1 200 000	Summary GWAS stats	(14)
PGC-Alcdep	Alcohol: dependencea	46 568	Summary GWAS stats	(36)
Cannabis-ICC-UKB	Lifetime cannabis use	184 765	Summary GWAS stats	(15)

^aOnly results from the European ancestry cohort were used in the present study; ICC: International Cannabis Consortium; UKB: UK Biobank.