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. Author manuscript; available in PMC: 2022 Jun 24.
Published in final edited form as: Compr Psychoneuroendocrinol. 2021 Oct 16;8:100086. doi: 10.1016/j.cpnec.2021.100086

Table 1.

Demographic characteristics of the study sample.

Mean (M) St. Deviation (SD)
Continuous variables

 Age in years 23.33 5.09

 Body mass index (BMI) 25.95 6.91

 Lifetime number of vaginal sex partners 5.12 3.54
Number (N) Percent (%)
Race/ethnicity

 European American/White 41 45.1

 African American/Black 17 18.7

 Asian/Pacific Islander 12 13.2

 Latinx/Hispanic 2 2.2

 Middle Eastern 2 2.2

 Multiracial/Other 8 8.8
Sexual orientation

 Heterosexual (0 – 12.5) 32 35.2

 Mostly heterosexual (12.6 – 37.5) 34 37.4

 Bisexual (37.6 – 62.5) 14 15.4

 Mostly homosexual (62.6 – 87.5) 4 4.4

 Homosexual (87.6 – 100) 3 3.3
Gender of current sexual partner

 Male 78 85.7

 Female 7 7.7
Typical partnered sexual frequency

 Never/less than monthly 2 2.2

 Less than weekly 18 19.8

 1–2 times per week 34 37.4

 3–4 times per week 24 26.4

 Daily/near daily 7 7.7

 More than daily 2 2.2

Note: Participants reported their sexual orientation as a number between 0 and 100, where 0 was labeled “only heterosexual,” 25 labeled “mostly heterosexual,” 50 labeled “bisexual,” 75 labeled “mostly homosexual,” and 100 labeled “only homosexual.” For descriptive purposes, these numbers were converted to bins with value ranges displayed in the table above.