Mental health among women and girls of diverse backgrounds in Canada before and during the COVID-19 pandemic: An intersectional analysis.

Background: Mental health disparity is associated with diverse characteristics, such as gender, socioeconomic status, Indigenous identity, immigrant status, race, disability, and sexual orientation. However, intersectional studies on women's mental health have been rare, particularly during the COVID-19 pandemic period.
Methods: Using data from two cycles of the Canadian Community Health Survey (2019 annual data and data from September to December 2020), self-reported mental health outcomes before the COVID-19 pandemic (sample size was 64,880) and during the second wave of the pandemic in the fall of 2020 (sample size of 27,246) were analyzed.
Results: After sociodemographic factors were controlled for, women and girls had higher odds of poorer self-perceived mental health and worsened mental health compared with before the COVID-19 pandemic than men and boys. Compared with 2019, the gender gap in negative self-perceived mental health increased during the pandemic. The number and type of intersections of specific socioeconomic characteristics also had an impact on mental health outcomes. During the pandemic, women and girls with the following characteristics were more likely to report low self-perceived mental health, compared with women and girls with no intersections: those with a disability (7.8 times); or who are lesbian, gay, or bisexual or have another sexual orientation than heterosexual (5.6); or who are Indigenous (3.6).
Interpretation: The intersections of gender and other sociodemographic characteristics increased the odds of negative self-perceived mental health.