Early DP is associated with several biological and social background factors from childhood. It also shows a strong dependency on educational achievement.

Suicide in young adults may be rooted in early childhood, and the effect is likely to act through several mechanisms, some of which may be linked to the composition and stability of the parental home. A life course perspective may add to our understanding of suicide.

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Women had a higher risk of LSP than men. Low education and poor support from superior and mental distress were found to be determinants of LSP.