Table: Linear regression showing ethnic differences in FEV1 before & after adjustment for sit/stand height
| zFEV1 | zFEV1 | |
| Before adjustment | After adjustment | |
| Adjusted R2 | 0.283 | 0.352 |
| Black | -1.2 (-1.4; -1.0) | -0.8 (-1.0; -0.6) |
| Asian | -0.9 (-1.2; -0.6) | -0.6 (-0.9; -0.3) |
| Other | -0.5 (-0.7; -0.2) | -0.3 (-0.6; -0.1) |