“… 10 Lower socioeconomic status was strongly associated with maternal depression in the first 2 years postpartum (slope index of inequality, SII, at 3 months: −17.5). 11 Overall, 23% of mothers experienced persistently high depressive symptoms until the age 2 follow-up, 12 which was associated with greater risk for child hospitalization (prevalence ratio, PR = 1.96 for the high chronic depression trajectory vs low depression trajectory). 13 …”