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Table 2 Linear Mixed model of depressive symptoms measured by GRID-HAMD at week 16

From: Effectiveness of attachment-based family therapy compared to treatment as usual for depressed adolescents in community mental health clinics

Fixed effect Null Model Model 1 Model 2
β CI t p Β CI t p β CI t p
Intercept 19.71 (18.41, 21.01) 30.05 21.83 (20.26, 23.41) 27.40 21.80 (19.55, 24.05) 19.20 0.00
Time      − 4.25 (− 6.43, − 2.07) 90.29 − 4.44 (− 7.62, − 1.25) − 2.77 0.01*
ABFT          0.07 − -3.11, 3.25) 0.04 0.97
ABFT:Time          0.38 (− 3.96, 4.71) 0.17 0.86
Model comparison – Wald
Model 1 vs. Null model 0.0001*
Model 2 vs. 3 0.98
  1. ABFT Attachment Based Family therapy, GRID-HAMD GRID-Hamilton Depression Rating Scale