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Table 5 Estimated fixed and random effects for quantitative observation outcomes from 6-month trial endpoint to 12-month follow-up

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

Showing affectiona

59

−0.02 (0.41)

.967

−0.03 (0.03)

.328

0.01 (0.04)

.885

0.02 (0.04)

.627

Non-descriptive praisea

59

−1.37 (2.23)

.543

0.06 (0.18)

.738

0.25 (0.24)

.288

2.88 (1.68)

.087

Descriptive praisea

59

0.02 (0.95)

.980

−0.02 (0.08)

.779

0.02 (0.10)

.845

0.19 (0.28)

.490

Incidental teachinga

59

0.24 (0.72)

.740

0.09 (0.06)

.140

0.004 (0.08)

.961

0.22 (0.18)

.203

Ask, say, doc

59

0.57 (0.50)

.264

0.03 (0.04)

.393

−0.07 (0.05)

.178

0.13 (433.84)

1.000

Directed discussionb

59

0.14 (0.39)

.723

−0.02 (0.03)

.470

0.01 (0.04)

.753

0.21 (0.06)

<.001

Planned ignoringc

59

0.04 (0.24)

.859

−0.001 (0.02)

.949

0.002 (0.03)

.938

0.02 (28.08)

.999

Clear, calm instructionsa

59

1.36 (0.80)

.095

0.02 (0.06)

.698

−0.15 (0.08)

.087

0.66 (0.26)

.012

  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 scaled identity diagonal.
  4. cRepeated measures covariance structure is compound symmetry correlation metric.
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BMC Pediatrics

ISSN: 1471-2431

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