Department of Recreation and Leisure Studies, Brock University, St. Catharines, ON, Canada.
School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada.
Suicide Life Threat Behav. 2021 Oct;51(5):864-871. doi: 10.1111/sltb.12754. Epub 2021 Apr 6.
Rates of suicide attempts are highest among younger ages and women, and especially elevated among sexual minorities (lesbian, gay, and bisexual [LGB] people). We examined the prevalence of lifetime suicide ideation among sexual minorities and sought to determine whether this relationship depended on age and gender.
Using data from the Annual Component of the 2015-2016 Canadian Community Health Survey (CCHS), participants were asked whether they had seriously contemplated suicide (lifetime suicidal ideation: yes/no). In adjusted multiple logistic regression analyses, we entered a sexual orientation by gender and age (three-way) interaction.
There was evidence of an interaction between sexual orientation, gender, and age on lifetime suicidal ideation (Wald χ : p = 0.009); the strength of the relationship between sexual orientation and suicidal ideation varied by gender and age. Lesbian/gay and bisexual respondents of both genders were more likely to report suicidal ideation across the life span, when compared to heterosexuals. This finding was strongest for bisexual respondents.
The results highlight the relevance of sexual orientation as a social determinant of lifetime suicidal ideation. Suicide prevention and surveillance efforts should take into consideration that sexual minorities, especially bisexual persons, disproportionately consider harming themselves when compared to the heterosexual population.
自杀未遂的发生率在年轻人和女性中最高，而在性少数群体（女同性恋、男同性恋和双性恋者）中尤其高。我们研究了性少数群体一生中自杀意念的发生率，并试图确定这种关系是否取决于年龄和性别。
利用 2015-2016 年加拿大社区健康调查（CCHS）年度部分的数据，询问参与者是否曾认真考虑过自杀（一生中的自杀意念：是/否）。在调整后的多因素逻辑回归分析中，我们输入了性取向与性别和年龄（三向）的交互作用。
性取向、性别和年龄之间存在与一生中自杀意念相关的交互作用（Wald χ：p=0.009）；性取向与自杀意念之间的关系强度因性别和年龄而异。与异性恋者相比，两性的同性恋/双性恋者更有可能在一生中报告自杀意念。这一发现对双性恋者来说最为强烈。
结果突出了性取向作为一生中自杀意念的社会决定因素的相关性。自杀预防和监测工作应考虑到，与异性恋人群相比，性少数群体，特别是双性恋者，更有可能伤害自己。
