Joint associations of depression, genetic susceptibility and the area of residence for coronary heart disease incidence

Karri Silventoinen*, Kaarina Korhonen, Hannu Lahtinen, Aline Jelenkovic, Aki S Havulinna, Samuli Ripatti, Veikko Salomaa, George Davey Smith, Pekka Martikainen

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)
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Abstract

Background Depression is a risk factor for coronary heart disease (CHD), but less is known whether genetic susceptibility to CHD or regional-level social indicators modify this association.

Methods Risk factors of CHD including a Polygenic Risk Score (PRS) were measured for 19 999 individuals residing in Finland in 1997, 2002, 2007 and 2012 (response rates 60%–75%). During the register-based follow-up until 2015, there were 1381 fatal and non-fatal incident CHD events. Unemployment rate, degree of urbanisation and crime rate of the municipality of residence were used as regional level social indicators. HRs were calculated using register-based antidepressant purchases as a non-reversible time-dependent covariate.

Results Those having depression and in the highest quartile of PRS had somewhat higher CHD risk than predicted only by the main effects of depression and PRS (HR for interaction 1.53, 95% CI 0.95 to 2.45). Depression was moderately associated with CHD in high crime (HR 1.51, 95% CI 1.20 to 1.90) and weakly in low crime regions (HR 1.07, 95% CI 0.86 to 1.33; p value of interaction=0.087). Otherwise, we did not found evidence for interactions.

Conclusions Those having both depression and high genetic susceptibility need a special attention in healthcare for CHD.
Original languageEnglish
Article number202203
Pages (from-to)281-284
Number of pages4
JournalJournal of Epidemiology and Community Health
Volume76
Issue number3
Early online date18 Aug 2021
DOIs
Publication statusPublished - 10 Feb 2022

Bibliographical note

Publisher Copyright:
© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.

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