Sexual minority stressors and disordered eating behaviors in daily life: a daily diary study of sexual minority cisgender female couples.

Young cisgender sexual minority women (e.g. lesbian, queer) in the U.S. are at risk for disordered eating behaviors (DEB). Minority stress theory proposes sexual minority stressors (SMS; e.g. discrimination) related to marginalized statuses are culturally specific stressors that may explain engagement in these behaviors. However, little is known about daily SMS-DEB associations. We conducted a 14-day daily diary study of 321 U.S.-based sexual minority cisgender women ages 19-35 who were in a relationship with a woman. SMS were assessed using an 8-item daily measure of distal SMS (e.g. heard anti-LGBT talk, verbal harassment), and DEB with single items capturing dietary restraint, overeating, loss of control eating, and emotional eating. Multi-level models revealed on days when women experienced SMS, they were more likely to report dietary restraint and emotional eating, but not overeating or loss of control eating. Women who generally reported more frequent SMS were more likely to report all four DEB. There were no significant couple-level SMS-DEB associations. These findings expand our understanding of how SMS is associated with DEB in the daily lives of cisgender sexual minority women. Future studies are needed to explore the temporal sequencing of the associations. Findings may also help to inform the design of culturally tailored interventions aimed at reducing DEB among sexual minority women.