Table 3

Mean baseline and 3-month HOME scores, and comparison of changes, by study arm, n=60

VariableBaseline (n = 60)3-month follow-up (n=60)Difference in differences, intervention-control
Control arm mean (robust SE) (n = 19)Intervention arm mean (robust SE) (n = 41)Robust P valuesControl arm mean (robust SE) (n=19)Intervention arm mean (robust SE) (n = 4)Robust P valuesUnadjusted mean difference (95%  CI; P values)Adjusted mean difference (95%  CI; P values)
HOME total scores21.90 (1.39)22.20 (0.78)0.8624.10 (1.44)30.12 (0.90)0.0015.76 (1.77 to 9.83; 0.006)6.33 (1.93 to 10.73; 0.006)
HOME responsivity5.89 (0.48)5.58 (0.30)0.586.37 (0.54)8.61 (0.31)0.0012.55 (1.15 to 3.94; 0.001)2.69 (1.19 to  4.18; 0.001)
HOME acceptance4.89 (0.37)5.19 (0.24)0.505.26 (0.39)5.87 (0.21)0.170.31 (-0.99 to 1.61; 0.63)0.52 (−0.82 to 1.87; 0.44)
HOME involvement1.74 (0.28)2.02 (0.20)0.412.15 (0.43)3.85 (0.25)0.0011.40 (0.43 to 2.39; 0.006)1.54 (0.42 to 2.66; 0.008)
  • HOME, Home Observation Measurement of the Environment.