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Table 1 Descriptive statistics for the subsample, and means and SD for all variables

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

Descriptive statistics

Age at adoption (months)

18.9 (range 8.8–45.6)

Sex (n)

Males: 23

Females: 23

 

Country of origin (%)

Russia: 74

Kazakhstan: 15

Ukraine: 11

 

Baseline M (SD)

N

6-month follow-up

N

30-month follow-up

N

Anthropometry (Z-scores)

 Height

−1.17 (1.00)

46

−0.48 (0.97)***

46

0.00 (1.00)***

46

 Weight

−1.60 (1.29)

46

−0.69 (1.10)***

46

−0.08 (1.09)***

46

 OFC

−1.02 (1.10)

46

−0.50 (1.29))***

46

−0.46 (1.49)

46

 IGF-1 (SD)

−1.09 (1.41)

39

−0.81 (1.51)

39

 

 IGFBP-3 (SD)

−0.86 (1.02)

41

−0.43 (1.01)**

41

 

Mullen Scales of Early Learning (T-scores)

 Visual reception

36.33 (10.85)

42

43.02 (12.51)**

42

 

 Fine motor

39.61(10.57)

44

46.20 (12.22)***

44

 

 Receptive language

 

39.16 (9.57)

45

 

 Expressive language

 

41.07 (9.42)

45

 

 Early learning composite standard score

 

85.87 (15.12)

45

 

Stanford-Binet Intelligence scales (standard scores)

 Non-verbal IQ

 

 

107.48 (13.38)

46

 Verbal IQ

 

 

105.22 (14.92)

46

 Full-scale IQ

 

 

106.49 (13.94)

46

  1. Changes in means for anthropometry data and growth factors were compared using paired sample t tests, 6-month follow-up was compared with baseline and 30-month follow-up with 6-month follow-up
  2. **p < 0.01; ***p < 0.001