Table 4 Estimated mean age at peak BMC velocity from the selected natural cubic spline LME models, and selected SITAR models. For comparison, the age windows for peak BMC velocity from the linear spline LME models are also presented
| Â | Females | Males | ||||
|---|---|---|---|---|---|---|
ALSPAC | BMDCS | PBMAS | ALSPAC | BMDCS | PBMAS | |
Mean age at peak BMC velocity (years) | ||||||
 Natural cubic spline LME model | 12.5 | 12.4 | 12.2 | 13.9 | 14.4 | 14.1 |
 SITAR model | 12.1 | 12.5 | 12.0 | 13.8 | 14.1 | 13.9 |
age window for peak BMC velocity from the linear spline LME model (years) | 11.4 to 13.9 | 10.7 to 13.6 | 7.9 to 14.2 | 12.3 to 15.9 | 12.3 to 16.0 | 12.5 to 17.1 |