Table 1. General SNP Information with Minor Allele Frequency (%).

SNP NR	SNP ID	Physical position	Region	Major allele	Minor allele	German aADHD		German cADHD		Spanish aADHD		Dutch aADHD		Norwegian aADHD		Bipolar disorder	Personality disorder
						Cases n=600	Controls n=420	Parents n=166	Offspring n=244	Cases n=253	Controls n=311	Cases n=285	Controls n=508	Cases n=497	Controls n=562	Cases n=336	Cases n=622
1	rs7868194	92409604	3′ region	A	G	43.2	47.0	45.4	45.2	46.7	50.3	48.4	47.9	45.9	46.9	43.4	47.4
2a	rs12350590	92410160	3′ region	C	G	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
3	rs7854469	92412049	3′ UTR	T	A	7.5	10.2	9.8	8.1	14.9	11.6	11.4	8.9	9.0	8.9	9.9	9.1
4	rs1542479	92412869	3′ UTR	G	A	4.3	2.8	3.7	2.8	3.6	5.4	4.6	4.4	4.7	5.2	3.5	3.5
5	rs16906711	92413098	3′ UTR	C	G	2.9	1.5	2.2	1.5	2.8	3.4	2.5	2.5	2.3	2.3	2.0	3.0
6	rs690111	92417110	Intron 1	G	T	26.1	24.1	29.3	29.9	24.7	21.8	26.3	26.6	25.8	26.5	27.3	24.3
7	rs1017753	92417721	Intron 1	C	T	47.7	50.1	49.5	49.8	49.8	45.6	47.8	48.7	49.0	48.2	47.4	49.7
8a	rs9695432	92417994	Intron 1	G	A	0.5	1.5	0.4	0.5	1.6	0.7	1.8	0.9	1.5	0.6	0.5	0.9
9	rs1331503	92442337	Intron 1	T	A	37.8	32.3	32.1	33.4	35.9	35.7	34.1	32.9	33.9	33.1	35.7	36.4
10	rs2297354	92444160	Intron 1	C	G	2.0	1.2	1.3	1.1	1.2	0.7	1.6	0.7	2.1	2.6	1.5	1.0
11	rs1331504	92445648	Intron 1	G	C	8.7	8.4	6.9	6.8	7.8	8.3	7.1	6.4	7.4	6.6	6.7	8.1
12	rs7848810	92447678	Promoter	C	A	28.2	31.5	30.3	28.0	33.1	29.7	28.5	28.3	22.2	24.3	28.0	28.4
13	rs1412005	92448981	Promoter	G	T	27.9	23.0	26.1	25.7	26.3	23.9	26.4	25.2	26.4	26.0	28.2	27.6
14	rs689687	92450021	Promoter	T	C	19.4	18.5	16.1	13.7	19.0	19.8	17.0	17.2	17.3	19.0	20.3	19.0

^aSNPs were excluded from further analyses because of low MAF (<0.01).