                      β   Age                                                  **−0.000 \***   **−0.000 \***   0.000                     **−0.000 \***   −0.000                 **−0.000 \***   BMI z                                                −0.000          −0.000          0.000                     0.000           0.000                  0.000   Gender                         Boys                  0.000           0.000           0.000                     0.000           0.000                  0.000   Ethnicity                      Western               **−0.000 \***   −0.000          **−0.000 \***             −0.000          −0.000                 −0.000   Sports membership              Non-member   