Suicidal ideation, suicide attempts and non-suicidal self-injury among lesbian, gay, bisexual and heterosexual adults: Findings from an Australian national study.
This study investigated associations between sexual orientation and measures of suicidality and non-suicidal self-injury in Australian adults. Previous studies of sexual orientation and suicidality have been limited by unclear conceptualisations of suicidal intent, failure to differentiate between homosexuality and bisexuality, inattention to gender differences and use of convenience-based samples.
A large (N = 10,531) representative national sample of Australian adults was used to investigate associations between sexual orientation (heterosexual, homosexual, bisexual) and (1) suicidal ideation, (2) attempted suicide and (3) non-suicidal self-injury, for males and females separately, in a series of sequentially adjusted logistic regression models.
Sexual minority participants were at greater risk of suicidality and self-injury than heterosexuals, after adjusting for age and other covariates, with patterns of risk differing by sexual orientation and gender. Compared with their heterosexual counterparts, gay men, but not bisexual men, were more likely to report suicidal ideation (odds ratio = 3.05, 95% confidence interval = [1.65, 5.60]) and suicide attempts (odds ratio = 4.16, confidence interval = [2.18, 7.93]). Bisexual women, but not lesbian women, were more likely to report suicidal ideation (odds ratio = 4.40, confidence interval = [3.00, 6.37]) and suicide attempts (odds ratio = 4.46, confidence interval = [2.41, 8.24]). Neither bisexual nor gay men were more likely than heterosexual men to report self-injury. However, bisexual women, but not lesbian women, were more likely than heterosexual women to report self-injury (odds ratio = 19.59, confidence interval = [9.05, 42.40]). Overall, bisexual females were at greatest risk of suicidality and self-injury.
Clinicians working with sexual minority populations are encouraged to openly discuss suicidal and self-injurious thoughts and behaviours with their clients and may consider using therapeutic strategies to reduce internalised stigma and enhance personal and social resources.
Swannell S
，Martin G
，Page A
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Associations of outside- and within-school adult support on suicidality: Moderating effects of sexual orientation.
This study examined sexual-orientation differences in reports of outside- and within-school adult support, and whether sexual orientation moderates the associations between adult support and suicidality (i.e., thoughts, plans, and attempts). At 26 high schools across MetroWest Boston, 22,834 students completed surveys assessing: sexual orientation (heterosexual, gay/lesbian, bisexual, or questioning); presence of outside- and within-school adult support; and past-year suicidality. Multivariable regression analyses with General Estimating Equations (adjusting for gender, grade, and race/ethnicity) examined sexual-orientation subgroup differences in adult support, and how sexual orientation and adult support were associated with suicidality. Interaction terms tested whether relationships between adult support and suicidality were moderated by sexual orientation. Gay/lesbian, bisexual, and questioning youth were each less likely than heterosexuals to report having outside-school adult support (risk ratios range: 0.85-0.89). Each group also had greater odds than heterosexuals for suicidal thoughts (odds ratios [ORs] range: 1.86-5.33), plans (ORs range: 2.15-5.22), and attempts (ORs range: 1.98-7.90). Averaged across sexual-orientation subgroups, outside-school support was more protective against suicidality (ORs range: 0.34-0.35) than within-school support (ORs range: 0.78-0.82). However, sexual orientation moderated the protective effects of outside-school adult support, with support being less protective for bisexual and questioning youth than for heterosexuals. Adult support, and particularly outside-school adult support, is associated with lower suicidality. However, fewer gay/lesbian, bisexual, and questioning youth can rely on outside-school support and, even if present, it may be less protective against suicidality. Interventions are needed to help adults support gay/lesbian, bisexual, and questioning youth and reduce suicidality disparities. (PsycINFO Database Record
Coulter RWS
，Kessel Schneider S
，Beadnell B
，O'Donnell L
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