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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.
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BMC Pediatrics

ISSN: 1471-2431

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