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
|  | At 6 months (n = 521) | At 12 months (n = 516) | ||||
|---|---|---|---|---|---|---|
Outcome | Mean (SD) | Crude analysis | Multivariable analysis | Mean (SD) | Crude analysis | Multivariable analysis |
Unadjusted ß1(95% CI) | Adjusted ß1(95% CI)* |  | Unadjusted ß1(95% CI) | Adjusted ß1(95% CI)* | ||
Composite cognitive score | ||||||
 Control | 95.49 (13.8) | Ref | Ref | 101.98 (11.6) | Ref | Ref |
 ciKMC | 96.47 (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 | ||||||
 Control | 88.51 (10.8) | Ref | Ref | 85.39 (8.9) | Ref | Ref |
 ciKMC | 88.30 (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 | ||||||
 Control | 8.66 (2.5) | Ref | Ref | 7.38 (1.5) | Ref | Ref |
 ciKMC | 8.62 (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 | ||||||
 Control | 7.34 (1.9) | Ref | Ref | 7.54 (2.1) | Ref | Ref |
 ciKMC | 7.30 (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 | ||||||
 Control | 95.91 (15.6) | Ref | Ref | 90.64 (10.7) | Ref | Ref |
 ciKMC | 96.74 (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 | ||||||
 Control | 9.05 (2.9) | Ref | Ref | 8.45 (1.5) | Ref | Ref |
 ciKMC | 9.07 (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 | ||||||
 Control | 9.53 (2.8) | Ref | Ref | 8.42 (2.6) | Ref | Ref |
 ciKMC | 9.80 (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 | ||||||
 Control | 56.19 (3.1) | Ref | Ref | 55.54 (1.6) | Ref | Ref |
 ciKMC | 56.29 (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 | ||||||
 Control | 89.25 (17.8) | Ref | Ref | 102.29 (15.2) | Ref | Ref |
 ciKMC | 87.24 (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) |