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Table 2 Estimated fixed and random effects for qualitative observation outcomes from baseline to 6-month trial endpoint

From: Primary Care Triple P for parents of NICU graduates with behavioral problems: a randomized, clinical trial using observations of parent–child interaction

 

Fixed effects

Random effects

Outcome

n

Intervention

P

Time

P

Intervention × Time

P

Intercept

P

Parent

         

Supportive presencea

66

0.50 (0.55)

.371

−0.10 (0.08)

.210

0.13 (0.11)

.226

0.97 (0.48)

.043

Respect child autonomya

66

−0.03 (0.64)

.960

0.16 (0.08)

.057

0.06 (0.11)

.625

1.94 (0.72)

.007

Cognitive developmenta

66

0.23 (0.56)

.675

−0.13 (0.08)

.117

0.18 (0.12)

.129

0.12 (0.40)

.755

Hostilityb

66

0.46 (0.48)

.343

−0.01 (0.06)

.891

−0.07 (0.09)

.443

0.66 (0.28)

.021

Confidencea

66

1.46 (0.56)

.010

0.05 (0.08)

.542

−0.08 (0.11)

.466

0.51 (0.47)

.284

Child

         

Enthusiasma

66

0.53 (0.53)

.319

0.07 (0.07)

.337

−0.02 (0.10)

.839

0.82 (0.45)

.064

Negativitya

66

0.03 (0.49)

.946

−0.05 (0.07)

.452

0.03 (0.09)

.768

0.67 (0.36)

.064

Persistencea

66

0.20 (0.65)

.753

0.14 (0.09)

.149

0.11 (0.13)

.394

0.86 (0.60)

.152

Affectiona

66

0.59 (0.47)

.206

−0.03 (0.07)

.703

0.02 (0.10)

.833

0.12 (0.29)

.669

Dyadic

         

Felt securitya

66

0.74 (0.55)

.178

−0.02 (0.08)

.774

0.06 (0.11)

.562

0.51 (0.44)

.244

  1. Note. Because the random effect has only one level, the covariance structure is scaled identity.
  2. aRepeated measures covariance structure is scaled identity.
  3. bRepeated measures covariance structure is diagonal.