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Table 3 Dependency of intervention effect on baseline variables based on multiple regression analysis

From: Effects of home-based play-assisted stimulation on developmental performances of children living in extreme poverty: a randomized single-blind controlled trial

  Developmental performances
LA PS SE FM GM
Baseline variables β P β P β P β P β P
Child’s age 0.01 0.89 − 0.03 0.29 − 0.35 0.25 − 0.02 0.60 0.04 0.38
Birth order 0.02 0.94 − 0.04 0.87 1.25 0.56 − 0.02 0.92 0.17 0.57
Family size 0.29 0.44 − 0.41 0.18 1.87 0.53 − 0.19 0.58 − 0.40 0.35
Income 0.00 0.84 − 0.002 0.03* 0.00 0.99 0.00 0.50 0.00 0.99
WHZ − 0.11 0.78 0.24 0.43 −1.52 0.61 0.99 0.01* 0.65 0.11
WAZ 0.03 0.96 0.65 0.08 1.20 0.75 1.50 0.01* 1.33 0.01*
HAZ 0.11 0.78 0.43 0.17 2.81 0.35 0.39 0.25 0.66 0.13
Performance − 0.01 0.84 − 0.02 0.74 0.05 0.65 − 0.04 0.53 0.08 0.22
Maternal age 0.04 0.61 0.02 0.81 − 0.28 0.68 0.06 0.60 − 0.01 0.96
Maternal education − 1.07 0.78 − 2.87 0.34 − 0.67 0.98 − 7.40 0.02* − 8.83 0.03*
Child-child interaction − 5.54 0.09 1.08 0.69 5.55 0.83 − 7.80 0.01* −1.71 0.64
Child’s sex 3.03 0.01* 0.28 0.76 − 2.24 0.81 1.06 0.32 0.18 0.89
  1. β regression coefficient, P (P-value) significance level, LA language, PS personal social, SE social-emotional, FM fine motor, GM gross motor, WHZ weight-for-height/length z score, WAZ weight-for-age z score, HAZ height/length-for-age z score;
  2. *Indicates significant test