Table 2 Association of length for age z score (LAZ) and PROCESS score with cognitive, motor and language scores at 12 months of corrected age (N = 516)
From: Early child stimulation, linear growth and neurodevelopment in low birth weight infants
Variables | Cognitive score | Motor score | Language score |
|---|---|---|---|
Adjusted mean difference, b (95% CI) a; p value | |||
LAZ at 6 months | 1.78 (0.74, 2.83); p = 0.001 | 2.02 (1.11, 2.94); p < 0.001 | 1.15 (0.37, 1.93); p = 0.004 |
Stunting status at 6 months | |||
 Non-stunted | Ref | Ref | Ref |
 Stunted | −2.99 (−5.11, −0.87); p = 0.006 | −3.42 (− 5.28, −1.55); p < 0.001 | −2.53 (−4.11, − 0.95); p = 0.002 |
 PROCESS score at 12 months | 0.25 (0.18, 0.31); p < 0.001 | 0.16 (0.10, 0.22); p < 0.001 | 0.22 (0.17, 0.27); p < 0.001 |
PROCESS categories | |||
  < Mean-1 SD (Low) | Ref | Ref | Ref |
 Mean ± 1 SD (Moderate) | 9.52 (6.47, 12.56); p < 0.001 | 6.60 (3.85, 9.36); p < 0.001 | 7.76 (5.53, 9.99); p < 0.001 |
  > Mean + 1SD (High) | 12.94 (8.95, 16.95); p < 0.001 | 8.60 (4.98, 12.23); p < 0.001 | 11.82 (8.89, 14.76); p < 0.001 |