Duration and timing of depression and risk of family dissolution: A register-based cohort study of newly-formed Danish families

Kasper Lolk, Helene Charlotte Wiese Rytgaard, Malene Galle Madsen, Gara Arteaga-Henríquez, Kathrine Bang Madsen, Julie Werenberg Dreier, Trine Munk-Olsen

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Abstract

BACKGROUND: Depression is detrimental to partnership stability. However, it remains unclear if and how the duration and timing of depression affect the risk of family dissolution.

METHODS: We conducted a Danish register-based cohort study of newly-formed cohabiting and married couples in 2008 and 2009, who were followed from the second year after family formation. Depressive episodes were defined by individual-level prescription patterns of antidepressant drugs (ATC codes N06A) in either partner. Family dissolution was characterized by the discontinuation of a shared residential address. Using Longitudinal Targeted Minimum Loss-based Estimation, we estimated the risk of family dissolution after 5 years of follow-up under various lengths and timings of depressive episodes.

RESULTS: There were 102,335 families included. The covariate-adjusted risk of family dissolution in families without depressive episodes was 30.0 % (95 % CI 29.6-30.4 %) and 35.5 % (95 % CI 29.5-41.5 %) in families with at least one depressive episode during follow-up. The risk of family dissolution increased with the duration of depressive episodes to 42.2 % (95 % CI 40.8-43.6 %) for five coherent years of depression. Depression shortly after family formation carried higher risk of family dissolution; this risk was 42.3 % (95 % CI 38.4-46.3 %) for depression experienced in the first year of family formation versus 32.9 % (95 % CI 31.8-34.0 %) in the fifth year of family formation.

LIMITATIONS: Proxy measures of depression by antidepressant prescriptions fails to identify milder depression. Annual measures of family dissolution precluded more fine-grained analyses of time-intervals.

CONCLUSIONS: Depression is disruptive to family stability, particularly with longer duration and early onset after family formation.

Original languageEnglish
JournalJournal of Affective Disorders
Volume349
Pages (from-to)420-430
Number of pages11
ISSN0165-0327
DOIs
Publication statusPublished - 15 Mar 2024

Keywords

  • Affective disorders
  • Antidepressant drugs
  • Causality
  • Divorce
  • Longitudinal
  • Relationship
  • Denmark/epidemiology
  • Depression/epidemiology
  • Humans
  • Antidepressive Agents/therapeutic use
  • Depressive Disorder/drug therapy
  • Cohort Studies

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