These adolescents had more room for improvement as they reported significantly higher depression scores at intake (Rohde et al. 2001). (link.springer.com)
The mothers whose children (now preschool - aged) had «[persistent] or [recurring]... infant sleep problems in the preschool years [had] higher depression scores.» (mattressadvisor.com)
Although the interaction between parents and their handicapped child is beyond the scope of the present paper, it has been described that parents of mentally retarded children report higher depression scores than control parents [54], and that caregiving difficulty is a predictor of maternal depression [55]. (academic.oup.com)