Mean annual change in SDscore (SDS) as assessed by random effects regression (British 1990 reference, sexes combined)
| Regression coefficient (SDS units per year) | Standard error | Significance | |
| Height | −0.003 | 0.005 | p = 0.6 |
| Weight | 0.078 | 0.007 | p < 0.0001 |
| BMI | 0.100 | 0.009 | p < 0.0001 |