Level 1 [within-individual, within-day] |
LNCORTISOLijk = π0ijk+ π 1ijk*TSWijk + π2ijk*CLOCKTIMEijk +eijk |
Level 2 [day-level, within-individual] |
π 0jk=β00k+β01k*LABDAY02k+r0jk π 1jkTSW=β10k+β11k*LABDAY12k+r1jk π 2Jk=β20k+β21k*SCHOOLDAY22k [fixed] π 3jkTSW=β30k+β31k*SCHOOLDAY32k [fixed] π 4jkCLOCKTIME=β40k [fixed] |
Level 3 [between-individuals] |
β00kLNCORTISOL intercept=γ000+u00k β01kLABDAY intercept=γ010 [fixed] β02kSCHOOLDAY intercept=γ020 [fixed] β10kLNCORTISOL slope=γ100+u10k β11kLABDAY slope=γ110 [fixed] β12kSCHOOLDAY slope=γ120 [fixed] β20kCLOCKTIME=γ200 [fixed] |
Note: Above is the depiction for the LABDAY cortisol model (controlling on SCHOOLDAY). A parallel model examining SCHOOLDAY (controlling on LABDAY) was also examined. LNCORTISOL variables reflect level of cortisol on days participants were at their homes.