$$Driven Exercise_{ij} = b_{0j} + e_{ij}\
b_{0j} = {00} + u{0j}$$
&
$$Exercise for Weight Loss_{ij} = b_{0j} + e_{ij}\
\[ Driven\ Exercise_{ij} = b_{0j} + b_1Age + e_{ij} \\ b_{0j} = \gamma_{00} + u_{0j} \] \[ Driven\ Exercise_{ij} = b_{0j} + b_1Age + b_2ParentSES + b_3BMI13 + b_4TI14 + b_5BodyDissat14 + b_6FearWt14 + e_{ij} \\ b_{0j} = \gamma_{00} + u_{0j} \]