Most significant differentially methylated positions for baseline FEV1 and FEV1/FVC
| Trait | Probe | Chr* | Gene | Relation to Island | Beta | SE | P value | FDR |
| FEV1 | cg09006039 | 4 | Intergenic | Open Sea | 94.41 | 17.42 | 6.05×10−08 | 9.54×10−03 |
| cg22040274 | 5 | Unknown | Open Sea | −127.22 | 22.38 | 1.32×10−08 | 2.74×10−03 | |
| cg01557460 | 11 | MACROD1 | North Shore | −53.31 | 9.31 | 1.06×10−08 | 2.74×10−03 | |
| cg17903071 | 14 | DPF3 | Island | −850.63 | 147.35 | 7.79×10−09 | 2.74×10−03 | |
| cg23599559 | 17 | CACNA1G | Island | −302.09 | 53.24 | 1.39×10−08 | 2.74×10−03 | |
| FEV1/FVC ratio | cg16091981 | 1 | PADI4 | Open Sea | −0.0223 | 0.003 | 7.38×10−12 | 1.94×10−06 |
| cg02703606 | 3 | DLEC1 | Open Sea | −0.0134 | 0.002 | 1.19×10−10 | 2.35×10−05 | |
| cg03045038 | 11 | FERMT3 | North Shore | −0.0094 | 0.001 | 7.38×10−12 | 1.94×10−06 | |
| cg26615186 | 16 | Unknown | Open Sea | −0.0088 | 0.001 | 1.70×10−10 | 2.68×10−05 | |
| cg06100973 | 19 | ELANE | North Shore | −0.0085 | 0.001 | 1.49×10−12 | 1.17×10−06 |
*Chromosome.
FDR, false discovery rate.