Stage 1 extreme coffee trait GWAS: heavy ('case') vs no/low ('control') regular coffee consumption (CCGC, Mol Psych, 2015) 
N=48,528
'imp100': Results for SNPs 100% imputed excluded (see paper for additonal filters)

SNP: rsid 
CHR: chromosome
BP: basepair position (HapMap R22, Hg18)
A1: allele 1, effect allele
A2: allele 2, other allele
EFFECT: logistic coefficient, cases vs controls
STDERR: standard error of EFFECT
P: pvalue