Table 1 Summary of infant-caregiver dyads characteristics for analyses.
Primary sample | Replication sample | |||
---|---|---|---|---|
3-month | 9-month | 3-month | 9-month | |
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
Total infant-caregiver pairs | 77 | 44 | 40 | 40 |
Usable 3-month scans, T1(T1 used in mix-modality)/T2 ^ | 62(20)/57 | 35(11)/33 | 26(11)/29 | 26(11)/29 |
Infant | ||||
Age, wks | 15.17 ± 2.99 | 45.32 ± 9.20 | 14.00 ± 2.63 | 38.95 ± 3.36 |
Biological sex, male/female | 38/39 | 21/23 | 21/19 | 21/19 |
Caregiver | ||||
Caregiver age | 31.47 ± 4.99 | -- | 22.25 ± 1.28 | -- |
Total government assistance sum | 1.21 ± 1.45 | -- | 3.58 ± 1.22 | -- |
EPDS depressed mood | 6.08 ± 5.26 | 6.45 ± 4.79 | 6.28 ± 5.54 | 5.55 ± 4.82 |
PAI-BOR affective instability | 4.83 ± 3.54 | 5.11 ± 3.92 | 6.45 ± 2.77 | -- |
STAI state anxiety | 30.70 ± 10.23 | 29.48 ± 9.19 | 31.38 ± 9.68 | 28.63 ± 6.75 |
STAI trait anxiety | 35.92 ± 11.48 | 35.00 ± 10.06 | 34.95 ± 8.37 | 33.60 ± 7.01 |
Emotional outcomes | ||||
IBQ NE | 2.97 ± 0.60 (n = 75) | 3.26 ± 0.71 | 3.09 ± 0.67 | 3.55 ± 0.85 |
IBQ PE | 3.94 ± 1.27 (n = 76) | 5.46 ± 0.65 | 4.92 ± 1.18 | 5.46 ± 1.03 |