Table 1.
Infant sample characteristics for infants included and excluded in the deferred imitation analysis at 12 months.
| Infant Characteristics | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cohort Gambia | Cohort UK | |||||||
| Included | Excluded | Included | Excluded | |||||
| Sex (% female) | 49.9 | 50 | 46.3 | 55 | ||||
| 1 month | 5 months | 1 month | 5 months | |||||
| Included | Excluded | Included | Excluded | Included | Excluded | Included | Excluded | |
| X ± SD | X ± SD | X ± SD | X ± SD | X ± SD | X ± SD | X ± SD | X ± SD | |
| Age (days) | 42.22 ± 25.99 | 47.43 ± 32.51 | 159.51 ± 9.78 | 162.7 ± 12.85 | 32.77 ± 5.29 | 35.0 ± 6.74 | 155.74 ± 6.95 | 155.89 ± 5.77 |
| Weight (kg) | 4.23 ± 0.60 | 4.31 ± 0.54 | 6.84 ± 0.77 | 6.78 ± 0.89 | 4.35 ± 0.52 | 4.38 ± 0.58 | 7.19 ± 0.92 | 7.07 ± 0.85 |
| Length (cm) | 53.01 ± 2.08 | 53.08 ± 1.86 | 64.07 ± 2.06 | 64.21 ± 2.76 | 53.93 ± 2.17 | 54. 17 ± 1.93 | 64.42 ± 2.19 | 64.56 ± 2.32 |
| Head circumference (cm) | 36.58 ± 1.17 | 36.74 ± 1.19 | 41.26 ± 1.29 | 41.31 ± 1.46 | 37.34 ± 1.21 | 37.96 ± 1.02 | 42.84 ± 1.24 | 43.26 ± 1.15 |
| Weight-for-age | −0.55 ± 0.95 | −0.43 ± 0.85 | −0.61 ± 0.95 | −0.75 ± 1.09 | −0.14 ± 0.81 | −0.25 ± 1.02 | −0.16 ± 1.12 | −0.18 ± 0.95 |
| Length-for-age | −0.93 ± 0.96 | −0.56 ± 0.86 | −0.60 ± 0.92 | −0.631 ± 1.92 | −0.30 ± 1.07 | −0.32 ± 0.97 | −0.38 ± 0.97 | −0.23 ± 1.13 |
| Head circumference for age | −0.59 ± 0.88 | −0.47 ± 0.944 | −0.74 ± 0.91 | −0.78 ± 0.99 | 0.57 ± 0.90 | 0.67 ± 0.72 | 0.56 ± 0.94 | 0.99 ± 0.69 |
| Weight-for-length | 0.40 ± 1.08 | 0.14 ± 1.05 | −0.23 ± 1.06 | −0.37 ± 0.96 | 0.15 ± 1.06 | −0.28 ± 1.09 | 0.17 ± 1.22 | 0.04 ± 0.95 |
| Mullen Scales of Early Learning—VDQ | not collected | not collected | 12.45 ± 2.71 | 12.91 ± 1.95 | not collected | not collected | 11.16 ± 2.09 | 11.41 ± 1.37 |
| Mullen Scales of Early Learning—PDQ | not collected | not collected | 14.74 ± 2.79 | 14.7 ± 2.245 | not collected | not collected | 14.17 ± 2.43 | 14.87 ± 1.59 |
Note. No group-differences were found on the above indicators after FDR correction for multiple comparisons. VDQ = verbal development quotient, PDQ = non-verbal development quotient.