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Table 2 Effect of ciKMC on Bayley Scales of Infant Development and Infant Temperament Scores at 6 and 12 months of infant age using linear regression

From: Community initiated kangaroo mother care and early child development in low birth weight infants in India-a randomized controlled trial

 At 6 months (n = 521)At 12 months (n = 516)
OutcomeMean (SD)Crude analysisMultivariable analysisMean (SD)Crude analysisMultivariable analysis
Unadjusted ß1(95% CI)Adjusted ß1(95% CI)* Unadjusted ß1(95% CI)Adjusted ß1(95% CI)*
Composite cognitive score
 Control95.49 (13.8)RefRef101.98 (11.6)RefRef
 ciKMC96.47 (12.7)0.98 (−1.30 to 3.26)1.08 (−1.21 to 3.37)102.19 (12.1)0.21 (−1.84 to 2.27)0.41 (− 1.58 to 2.40)
Composite Language score
 Control88.51 (10.8)RefRef85.39 (8.9)RefRef
 ciKMC88.30 (9.9)-0.20 (− 1.99 to 1.58)−0.03 (− 1.82 to 1.77)84.48 (9.1)− 0.90 (−2.47 to 0.67)− 0.61 (− 2.10 to 0.89)
Scaled Receptive language scores
 Control8.66 (2.5)RefRef7.38 (1.5)RefRef
 ciKMC8.62 (2.3)− 0.04 (− 0.46 to 0.38)0.003 (− 0.41 to 0.42)7.22 (1.6)−0.16 (− 0.42 to 0.09)− 0.13 (− 0.39 to 0.13)
Scaled Expressive language scores
 Control7.34 (1.9)RefRef7.54 (2.1)RefRef
 ciKMC7.30 (1.7)−0.04 (− 0.35 to 0.27)− 0.02 (− 0.33 to 0.29)7.39 (1.9)−0.15 (− 0.50 to 0.20)−0.08 (− 0.42 to 0.25)
Composite motor score
 Control95.91 (15.6)RefRef90.64 (10.7)RefRef
 ciKMC96.74 (16.2)0.83 (−1.91 to 3.57)0.97 (− 1.71 to 3.66)89.79 (10.2)−0.85 (−2.65 to 0.96)−0.75 (− 2.52 to 1.02)
Scaled fine motor scores
 Control9.05 (2.9)RefRef8.45 (1.5)RefRef
 ciKMC9.07 (3.1)0.03 (−0.48 to 0.54)0.03 (−0.48 to 0.54)8.37 (1.5)−0.08 (− 0.34 to 0.18)−0.09 (− 0.35 to 0.17)
Scaled gross motor scores
 Control9.53 (2.8)RefRef8.42 (2.6)RefRef
 ciKMC9.80 (2.9)0.27 (−0.24 to 0.78)0.31 (−0.18 to 0.81)8.22 (2.4)−0.19 (− 0.62 to 0.24)−0.14 (− 0.57 to 0.29)
Composite socio-emotional score
 Control56.19 (3.1)RefRef55.54 (1.6)RefRef
 ciKMC56.29 (3.4)0.10 (−0.46 to 0.66)0.11 (−0.44 to 0.66)55.48 (1.5)−0.06 (− 0.32 to 0.20)−0.06 (− 0.33 to 0.20)
Infant Temperament Score
 Control89.25 (17.8)RefRef102.29 (15.2)RefRef
 ciKMC87.24 (17.9)−2.01 (−5.07 to 1.06)−1.70 (−4.85 to 1.47)101.57 (14.9)−0.72 (−3.33 to 1.88)−0.49 (−3.15 to 2.18)
  1. *Adjusted for socio-demographic characteristics (wealth quintile, religion, caste and number of family members); maternal characteristics (maternal age, maternal education); paternal characteristics (father’s age, father’s education); birth related characteristics (birth order, parity); infant characteristics (sex, birth weight, gestational age) and hospitalization in the neonatal period
  2. 1Reflects the difference in mean scores between the intervention and control groups of the trial