“…Study outcomes varied with 12 studies reporting on child substance use [7, 8, 39-46, 48, 51], seven studies reporting on child externalizing problems [39,40,47,48,50,51,53] and six studies reporting on child internalizing problems [39,47,48,50,51,53]. Six of the studies used a longitudinal design [8,41,42,44,45,52], six were cross-sectional studies [7,40,43,46,49,50] and five were cohort studies [39,47,48,51,53]. Six studies reported adjusted outcomes only [8,41,43,46,48,53].…”