The overall effect of Time was not significant
[F(2,89112)¼0.805, p¼.447]. Parameter estimates revealed
no difference in the mothers’ SCL-4Dep scores prenatally,
but at 6 and 18 months postpartum, mothers of
infants with severe CHD reported significantly higher
scores than mothers in the control group, with standard
deviations of 0.77 and 0.74, respectively, as shown in
Table II. Standardized, adjusted marginal means are
shown in Figure 1. Cohen’s d for the adjusted marginal
means showed a large effect at 6 months postpartum
(d¼0.76) and a medium effect at 18 months postpartum
(d¼0.73) when comparing the severe CHD group to
controls.