Socioeconomic inequalities in the risk of suicide attempts among sexual minority adolescents: findings from the UKs millennium cohort study

White, James ORCID: https://orcid.org/0000-0001-8371-8453, Borgia, Sophie and Rehkopf, David 2023. Socioeconomic inequalities in the risk of suicide attempts among sexual minority adolescents: findings from the UKs millennium cohort study. The Lancet Regional Health Europe 26 , 100570. 10.1016/j.lanepe.2022.100570

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Abstract

Background Both sexual minority and socioeconomically deprived young people are at an increased risk of making a suicide attempt. Intersectionality theory predicts these risk factors will interact synergistically to create unique vulnerabilities. We investigated the risk of suicide attempts in sexual minority socioeconomically deprived young people in a contemporary national cohort. Methods The Millennium Cohort Study (MCS) is a birth cohort study in the UK following children born 2000–2002. Children in the MCS have been followed up over seven sweeps to date at ages 9 months, 3, 5, 7, 11, 14 and 17 years. The relative risk (RR) of self-reported suicide attempts at 17 years by sexual minority status and parental unemployment was estimated using multivariable log-binomial regression. Additive interaction, representing the synergistic effect, was estimated using the relative excess risk due to interaction (RERI). Findings Between January, 2018 and March, 2019, 10,247 adolescents provided their sexuality and parents their employment status. 758 (7.4%) of 10,247 adolescents had made a suicide attempt. Relative to heterosexual young people living with no unemployed parents, the RR for sexual minorities living with no unemployed parents/carers was 2.93 (95% CI 2.26–3.79), one unemployed was 4.46 (95% CI 2.94–6.77), and two was 6.35 (95% CI 3.62–11.14). There was evidence of a positive additive interaction. The RERI for having one unemployed parent was 1.08 (95% CI −0.54 to 2.69) and two was 3.10 (95% CI −1.58 to 7.78). Sensitivity analyses using housing tenure and in a sample with no missing data generated comparable results. Interpretation To our knowledge, this is the first evidence that socioeconomically deprived sexual minority adolescents are uniquely vulnerable to making a suicide attempt. Health and educational practitioners need to be aware of the increased risk of suicide attempts in socioeconomically deprived sexual minority adolescents.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Centre for Trials Research (CNTRR) Social Sciences (Includes Criminology and Education) Development and Evaluation of Complex Interventions for Public Health Improvement (DECIPHer)
Publisher:	Elsevier
ISSN:	2666-7762
Funders:	MRC, Wellcome Trust, Cancer Research UK, ESRC
Date of First Compliant Deposit:	15 December 2022
Date of Acceptance:	7 December 2022
Last Modified:	10 Jan 2025 22:18
URI:	https://orca.cardiff.ac.uk/id/eprint/154962

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