Causal associations between T2D and ADHD
| Exposure | Outcome | Method | b (SE) | OR (95% CI) | N_IV | P value |
| ADHD2019 | T2D | IVW | 0.262 (0.058) | 1.30 (1.16 to 1.46) | 10 | 6.49E−06 |
| ADHD2019 | T2D | WM | 0.303 (0.074) | 1.35 (1.17 to 1.56) | 10 | 3.79E−05 |
| ADHD2019 | T2D | MR Egger | 0.465 (0.275) | 1.59 (0.93 to 2.73) | 10 | 0.129 |
| ADHD2022 | T2D | IVW | 0.264 (0.154) | 1.30 (0.96 to 1.76) | 26 | 0.086 |
| ADHD2022 | T2D | WM | 0.374 (0.128) | 1.45 (1.13 to 1.87) | 26 | 3.51E−03 |
| ADHD2022 | T2D | MR Egger | −0.262 (0.544) | 0.77 (0.27 to 2.23) | 26 | 0.634 |
| T2D | ADHD2019 | IVW | 0.045 (0.014) | 1.05 (1.02 to 1.07) | 194 | 1.06E−03 |
| T2D | ADHD2019 | WM | 0.035 (0.018) | 1.04 (1.00 to 1.07) | 194 | 0.047 |
| T2D | ADHD2019 | MR Egger | 0.022 (0.045) | 1.02 (0.94 to 1.12) | 194 | 0.635 |
| T2D | ADHD2022 | IVW | 0.028 (0.008) | 1.03 (1.01 to 1.04) | 194 | 3.65E−04 |
| T2D | ADHD2022 | WM | 0.021 (0.008) | 1.02 (1.00 to 1.04) | 194 | 0.014 |
| T2D | ADHD2022 | MR Egger | 0.002 (0.026) | 1.00 (0.95 to 1.05) | 194 | 0.952 |
ADHD, attention-deficit/hyperactivity disorder; CI, confidence interval; IVW, inverse variance weighted; MR, Mendelian randomisation; N_IV, number of instrumental variables; OR, odds ratio; SE, standard error; T2D, type 2 diabetes; WM, weighted median.