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Health Insurance Prevalence Among Gender Minority People: A Systematic Review and Meta-Analysis

Purpose

Gender minority (GM) (people whose gender does not align with the sex assigned at birth) people have historically been insured at lower rates than the general population. The purpose of this review is to (1) assess the prevalence of health insurance among GM adults in the United States, (2) examine prevalence by gender, and (3) examine trends in prevalence before and after implementation of the Affordable Care Act.

Methods

Published articles from PubMed, EMBASE, and Web of Science databases before April 26th, 2019, were included. This review is registered on PROSPERO (CRD42019133627). Analysis was guided by a random-effects model to obtain a meta-prevalence estimate for all GM people and stratified by gender subgroup. Heterogeneity was assessed using a Q-test and I ² measure.

Results

Of 55 included articles, a random pooled estimate showed that 75% GM people were insured (95% confidence interval [CI]: 0.71-0.79; p<0.001). Subgroup analysis by gender determined 70% of transgender women (95% CI: 0.64-0.76; p<0.001; I ²=97.16%) and 80% of transgender men (95% CI: 0.77-0.83; p=0.01; I ²=54.51%) were insured. Too few studies provided health insurance prevalence data for gender-expansive participants (GM people who do not identify as solely man or woman) to conduct analysis.

Conclusion

The pooled prevalence of health insurance among GM people found in this review is considerably lower than the general population. Standardized collection of gender across research and health care will improve identification of vulnerable individuals who experience this barrier to preventative and acute care services.