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. 2020 Jul 1;15(7):e0234743. doi: 10.1371/journal.pone.0234743

Table 2. Exploratory factor analysis of items measuring knowledge of, attitudes towards, and experiences with LGBT people pre- and post-class among medical students in Lausanne, Switzerland (n = 117).

Cat Item Cat factor Factor 1 Factor 2 Factor 3 Factor 4
P 26. School sex education programs should address all sexual orientations. P -0,810 -0,009 -0,014 -0,055
P 16. Changing an individual's sex (hormones and / or surgery) is against my moral values. P 0,801 0,051 -0,131 -0,001
P 15. Homosexual couples should be allowed to marry. P -0,763 -0,087 -0,069 0,005
P 7. I think homosexuality is immoral. P 0,697 -0,067 -0,008 -0,143
A 14. If I could choose, I would prefer not to provide care to a transgender person. P 0,647 -0,105 0,119 0,110
A 10. If I could choose, I would prefer not to provide care to a gay, lesbian or bisexual person. P 0,623 -0,139 0,062 -0,085
P 17. Identifying as transgender should be considered a psychiatric illness. P 0,594 0,043 0,147 -0,029
P 8. Groups that defend the rights of LGBT people are necessary. P -0,580 0,100 -0,137 0,015
K 13. Lesbian patients don't need a cervical smear as often as heterosexual women. P 0,509 -0,067 0,093 0,135
A 9. As a physician, I think it is important to include questions about the personal and sexual life, sexual orientation and gender identity of my patients. P -0,490 0,142 -0,061 -0,041
P 5. Gay couples should be allowed to adopt children P -0,483 -0,187 0,050 0,334
P 19. Imagining people of the same sex in intimate situations makes me uncomfortable‥ P 0,453 0,059 -0,049 -0,131
A 20. I would feel uncomfortable examining and providing care to someone of my sex who is homosexual. (P) 0,367 -0,001 0,063 -0,177
A 24. I would be comfortable if my colleagues learned that I provide care to LGBT patients. (P) -0,275 0,116 -0,053 0,169
E 11. When I meet a colleague or patient, I usually assume that he / she is heterosexual (P) 0,200 0,003 -0,009 -0,117
K 28. Gay and lesbian people have a higher prevalence of anxiety and depression compared to heterosexual people. K -0,045 0,876 0,125 0,203
K 27. LGBT adolescents are more likely to use alcohol, tobacco or other psychoactive substances than other adolescents. K -0,060 0,773 0,100 0,053
K 23. LGBT adolescents attempt suicide in the same proportions to those observed among heterosexual adolescents K 0,219 -0,582 0,107 -0,079
K 1. LGBT adolescents have the same health needs as non-LGBT adolescents. (K) -0,141 -0,252 0,161 -0,051
K 25. Breast cancer can still occur after bilateral breast reduction surgery for transgender men. (K) -0,031 0,208 -0,005 -0,054
P 21. Homosexual men are generally effeminate and homosexual women generally masculine. J 0,039 0,158 0,696 -0,237
P 3. Homosexual people can be identified by their appearance and their mannerisms. J 0,136 0,115 0,619 -0,085
K 18. In our society, LGBT youth are currently well accepted, and therefore, there are no barriers in their access to medical care. J 0,085 -0,170 0,515 0,064
K 6. Sex reassignment surgery is readily available for trans people and covered by health insurance. J 0,018 -0,057 0,446 0,104
E 12. My interactions with LGBT people have positively influenced my perceptions towards LGBT people. E -0,073 -0,042 -0,187 0,562
E 4. I socialize regularly with LGBT people in my everyday life‥ E -0,025 -0,022 0,032 0,500
K 2. The difference between sexual orientation and gender identity is clear to me. E -0,065 0,220 -0,084 0,458
P 22. Being homosexual is a choice. E 0,086 -0,163 -0,034 -0,447
Eigenvalues 7,657 2,333 1,728 1,505
% of total explained variance 25,5 6,7 4,2 3,1