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Depression, Religiosity, and Telomere Length in the Study on Stress, Spirituality, and Health (SSSH)

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Abstract

Prospective studies on the association between depression and telomere length have produced mixed results and have been largely limited to European ancestry populations. We examined the associations between depression and telomere length, and the modifying influence of religion and spirituality, in four cohorts participating in the Study on Stress, Spirituality and Health, each representing a different race/ethnic population. Relative leukocyte telomere length (RTL) was measured by a quantitative polymerase chain reaction. Our result showed that depression was not associated with RTL (percent difference: 3.0 95% CI: − 3.9, 10.5; p = 0.41; p-heterogeneity across studies = 0.67) overall or in cohort-specific analyses. However, in cohort-specific analyses, there was some evidence of effect modification by the extent of religiosity or spirituality, religious congregation membership, and group prayer. Further research is needed to investigate prospective associations between depression and telomere length and resources of resilience including dimensions of religion and spirituality that may impact such dynamics in diverse racial/ethnic populations.

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Funding

This is a paper of the National Consortium on Psychosocial Stress, Spirituality, and Health and its Study on Stress, Spirituality and Health (SSSH). This work was supported by The John Templeton Foundation (Grant #59607, A.E. Shields). The Black Women’s Health Study is supported by National Institutes of Health (NIH) grants R01CA058420, U01CA164974, and R01CA098663. The MASALA Study was supported by NIH grants 1R01HL093009, 2R01HL093009, R01HL120725, UL1RR024131, UL1TR001872, and P30DK098722. The Nurses’ Health Study II was supported by NIH grants U01CA176726, R01CA163451, and R01CA67262. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The Strong Heart Study was supported by cooperative agreement grants U01HL41642, U01HL41652, U01HL41654, U01HL65520, and U01HL65521 and research grants R01HL109315, R01HL109301, R01HL109284, R01HL109282, and R01HL109319 from the NIH National Heart, Lung, and Blood Institute.

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Correspondence to Oluwaseyi O. Isehunwa.

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The authors declare that they have no competing interests.

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All studies obtained institutional approval for cohort maintenance, as well as participation in the SSSH. SSSH protocols were approved by the Partners Human Research Committee, the Institutional Review Board (IRB) of Partners HealthCare (Boston, MA).

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Isehunwa, O.O., Warner, E.T., Spiegelman, D. et al. Depression, Religiosity, and Telomere Length in the Study on Stress, Spirituality, and Health (SSSH). Int J Ment Health Addiction 20, 1465–1484 (2022). https://doi.org/10.1007/s11469-020-00455-1

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  • DOI: https://doi.org/10.1007/s11469-020-00455-1

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