Table 4.

Results of single SNP MR analyses and the overall causal effect of ADHD on 25(OH)D levels using different statistical methods

SNP	Beta	SE	P value
rs1222067	− 0.010	0.034	0.758
rs1427829	0.033	0.026	0.199
rs281324	− 0.031	0.027	0.253
rs4916723	0.0206	0.027	0.446
rs6990255	− 0.035	0.026	0.177
rs9677504	0.011	0.029	0.716
Inverse variance weighted	− 0.002	0.012	0.887
MR Egger	− 0.048	0.049	0.377
Weighted median	0.002	0.015	0.900
Simple mode	0.015	0.026	0.571
Weighted mode	0.019	0.027	0.514