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Table 3 Linear Mixed Model of self-reported depressive symptoms measured at baseline and after 2, 4, 6, 8, 10, 12, 14,16 weeks of the treatment

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 β CI Β CI
Intercept 32.07 (29.41, 34.75) 34.64 (32.46, 36.81) 34.67 (31.58, 37.77)
Time    – 1.017 (– 1.62, – 0.42) – 0.94 (– 1.81, – 0.09)
ABFT      – 0.0.07 (– 4.41, 4.28)
ABFT:time      – 0.144 (– 1.35, 1.05)
Random effects       
σ2 Intercept 83.98 41.35 41.35
σ2Time   1.85 1.85
Residual 7.71 6.4 6.4
Model inf  
AIC 1608.08 1561.40 1565.34
BIC 1618.22 1581.68 1592.38
Log-Likelihood – 801.04 – 774.70 – 774.67
χ2 (df)   52.67 (3) 0.06 (2)
Pr(> Chisq)    < 0.001 *** 0.97
  1. Self reported depressive symptoms measured by Beck Depression Inventory-II
  2. ABFT Attachment Based Family therapy