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TABLE 4

Estimated Effect and 95% CIs of TbT Intervention on Follow-up PCI Literacy Activities And Reading; Summaries of Pre- and Postintervention PCI Scores Stratified by Group

Model 1Model 2Model 3
PCI activities 1.96 1.25 1.22 
 CI 0.167 to 3.70 −0.329 to 2.83 −0.328 to 2.77 
P .033 .122 .124 
PCI Reading 0.510 0.248 0.242 
 CI −0.542 to 1.60 −0.822 to 1.32 −0.839 to 1.32 
P .346 .650 0.661 
Preintervention Overall Control Intervention 
 PCI total scorea 24.26 (9.80) 24.40 (9.68) 24.08 (9.97) 
 PCI reading 8.09 (4.03) 8.21 (3.98) 7.94 (4.10) 
 PCI activities 15.40 (7.10) 15.37 (7.09) 15.45 (7.14) 
Postintervention Overall Control Intervention 
 PCI total score 27.02 (9.68) 25.96 (10.00) 28.34 (9.15) 
 PCI reading 8.58 (3.99) 8.36 (4.17) 8.87 (3.75) 
 PCI activities 16.92 (7.40) 16.05 (7.41) 18.02 (7.26) 
Model 1Model 2Model 3
PCI activities 1.96 1.25 1.22 
 CI 0.167 to 3.70 −0.329 to 2.83 −0.328 to 2.77 
P .033 .122 .124 
PCI Reading 0.510 0.248 0.242 
 CI −0.542 to 1.60 −0.822 to 1.32 −0.839 to 1.32 
P .346 .650 0.661 
Preintervention Overall Control Intervention 
 PCI total scorea 24.26 (9.80) 24.40 (9.68) 24.08 (9.97) 
 PCI reading 8.09 (4.03) 8.21 (3.98) 7.94 (4.10) 
 PCI activities 15.40 (7.10) 15.37 (7.09) 15.45 (7.14) 
Postintervention Overall Control Intervention 
 PCI total score 27.02 (9.68) 25.96 (10.00) 28.34 (9.15) 
 PCI reading 8.58 (3.99) 8.36 (4.17) 8.87 (3.75) 
 PCI activities 16.92 (7.40) 16.05 (7.41) 18.02 (7.26) 

Model 1: overall intervention effect (n = 261 for activities, n = 219 for reading). Model 2: adjusts for baseline PCI score (n = 251, n = 188). Model 3: adjusts for baseline PCI score, baseline child age, and caregiver language (n = 251, n = 188).

a

Mean and SD are shown for each score.

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