| Level 1: | Yti = β0i + β1i (An individual/relationship/contextual predictor) + β2i (Relationship length at time of data collection)+ β3i (Age) + rti |
| Level 2: |
β0i = γ00 + γ01 (gender) + u0i β1i = γ10 β2i = γ20 β3i = γ30 |
| Level 1: | Yti = β0i + β1i (An individual/relationship/contextual predictor) + β2i (Relationship length at time of data collection)+ β3i (Age) + rti |
| Level 2: |
β0i = γ00 + γ01 (gender) + u0i β1i = γ10 β2i = γ20 β3i = γ30 |