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Table 3 Estimated effects of the intervention on BASC composite scores in an intention-to-treat analysis

From: Portable HEPA filter air cleaner use during pregnancy and children’s behavior problem scores: a secondary analysis of the UGAAR randomized controlled trial

Composite score

Unadjusted

Adjusted for preterm birth

Change in mean T score (95%CI)

p-value

Change in mean T score (95%CI)

p-value

Age 2

 Externalizing

0.21 (-1.69, 2.12)

0.83

0.21 (-1.70, 2.12)

0.83

 Internalizing

-0.84 (-2.84, 1.16)

0.41

-0.84 (-2.84, 1.16)

0.41

 Adaptive skills

-0.06 (-1.77, 1.64)

0.94

-0.01 (-1.73, 1.71)

0.99

 Behavioral Symptoms Index

-0.28 (-1.98, 1.42)

0.75

-0.29 (-1.99, 1.40)

0.73

Age 4

 Externalizing

0.09 (-1.98, 2.17)

0.93

0.09 (-1.98, 2.17)

0.93

 Internalizing

-0.48 (-2.51, 1.54)

0.64

-0.47 (-2.50, 1.55)

0.65

 Adaptive skills

-0.29 (-2.12, 1.55)

0.76

-0.17 (-1.99, 1.66)

0.86

 Behavioral Symptoms Index

-0.21 (-2.17, 1.76)

0.84

-0.20 (-2.17, 1.76)

0.84

Ages 2 and 4 combineda

 Externalizing problems

0.15 (-1.54, 1.85)

0.86

0.13 (-1.55, 1.82)

0.88

 Internalizing problems

-0.66 (-2.36, 1.04)

0.44

-0.60 (-2.29, 1.10)

0.49

 Adaptive skills

-0.18 (-1.65, 1.30)

0.82

-0.09 (-1.56, 1.38)

0.91

 Behavioral symptoms index

-0.24 (-1.81, 1.32)

0.76

-0.28 (-1.84, 1.28)

0.72

  1. aAge 2 and 4 BASC scores modeled together in a linear mixed effects model