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Table 3 Correlations with verbal and non-verbal IQ at 30 months follow-up

From: Associations between physical growth and general cognitive functioning in international adoptees from Eastern Europe at 30 months post-arrival

Variable n Verbal IQ Non-verbal IQ
Spearman’s rho p Spearman’s rho p
Age at arrival 46 −0.37 0.006a −0.36 0.007a
Mullen at 6 months 45 0.25 0.050 0.44 0.001a
OFC at arrival 46 0.34 0.010b 0.25 0.050
OFC change at 6 months 46 0.33 0.014b 0.19 0.099
OFC change over 30 months 46 0.21 0.172 0.11 0.454
Weight-for-age at arrival 46 0.13 0.203 0.20 0.093
Weight change over 6 months 46 0.21 0.081 −0.03 0.431
Weight change over 30 months 46 0.15 0.334 −0.03 0.849
Height-for-age at arrival 46 0.19 0.105 0.32 0.016b
Height change over 6 months 46 0.20 0.090 0.06 0.338
Height change over 30 months 46 0.06 0.711 −0.16 0.299
IGF-1 SD score at arrival 40 −0.16 0.156 −0.025 0.439
IGF-1 change over 6 months 39 0.16 0.164 0.10 0.561
IGFBP-3 SD score at arrival 42 −0.290 0.031b −0.10 0.273
IGFBP-3 change over 6 months 41 0.17 0.139 0.09 0.294
  1. aCorrelation is significant at the 0.01 level (one-tailed)
  2. bCorrelation is significant at the 0.05 level (one-tailed)