Does psychological distress directly increase risk of incident cardiovascular disease? Evidence from a prospective cohort study using a longer-term measure of distress

Autor: Emily Banks, Rosemary J Korda, Grace Joshy, Peter Butterworth, Lyndall Strazdins, Jennifer Welsh
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: BMJ Open, Vol 11, Iss 2 (2021)
Druh dokumentu: article
ISSN: 2044-6055
DOI: 10.1136/bmjopen-2020-039628
Popis: Objective Cardiovascular disease (CVD) incidence is elevated among people with psychological distress. However, whether the relationship is causal is unclear, partly due to methodological limitations, including limited evidence relating to longer-term rather than single time-point measures of distress. We compared CVD relative risks for psychological distress using single time-point and multi-time-point assessments using data from a large-scale cohort study.Design We used questionnaire data, with data collection at two time-points (time 1: between 2006 and 2009; time 2: between 2010 and 2015), from CVD-free and cancer-free 45 and Up Study participants, linked to hospitalisation and death records. The follow-up period began at time 2 and ended on 30 November 2017. Psychological distress was measured at both time-points using Kessler 10 (K10), allowing assessment of single time-point (at time 2: high (K10 score: 22–50) vs low (K10 score:
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