Table 1.
Characteristics of study population*
| Sexual orientation | |||||
|---|---|---|---|---|---|
| Characteristics | Heterosexual (n = 637) | Bisexual (n = 143) | Lesbian (n = 524) | Total population (n = 1,304) | P value |
| Age (mean) | 41 | 36 | 39 | 40 | <0.001 |
| Race | n = 631 | n = 141 | n = 522 | n = 1,294 | |
| White (non-Hispanic) | 518 (82) | 115 (82) | 445 (85) | 1,078 (83) | |
| Black | 55 (9) | 6 (4) | 18 (3) | 79 (6) | |
| Asian | 26 (4) | 5 (4) | 14 (3) | 45 (4) | <0.01 |
| Hispanic | 12 (2) | 8 (6) | 18 (3) | 38 (3) | |
| American Indian | 9 (1) | 3 (2) | 10 (2) | 22 (2) | |
| Mixed race | 11 (2) | 4 (3) | 17 (3) | 32 (3) | |
| Education completed | n = 633 | n = 141 | n = 522 | n = 1,296 | |
| High school or less | 73 (12) | 5 (4) | 21 (4) | 99 (8) | |
| 1-4 years college | 333 (53) | 75 (53) | 249 (48) | 657 (51) | <0.001 |
| Graduate school | 227 (36) | 61 (43) | 252 (48) | 540 (42) | |
| Annual household income | n = 619 | n = 137 | n = 518 | n = 1,282 | |
| <$20,000 | 104 (17) | 33 (24) | 75 (14) | 212 (17) | |
| $20,000-$39,999 | 159 (26) | 33 (24) | 94 (18) | 286 (22) | |
| $40,000-$59,999 | 138 (22) | 31 (23) | 112 (22) | 281 (22) | <0.001 |
| ≥$60,000 | 218 (35) | 40 (29) | 237 (46) | 495 (39) | |
| Has healthcare insurance | n = 626 | n = 142 | n = 521 | n = 1,289 | |
| Yes | 569 (91) | 115 (81) | 462 (89) | 1,146 (89) | <0.01 |
| Has main healthcare provider | n = 627 | n = 142 | n = 510 | n = 1,279 | |
| Yes | 570 (91) | 115 (81) | 422 (83) | 1,107 (89) | <0.001 |
| Is married or in a committed relationship | n = 634 | n = 141 | n = 521 | n = 1,296 | |
| Yes | 436 (69) | 85 (60) | 405 (78) | 926 (71) | <0.001 |
| Sexual partners in lifetime | n = 632 | n = 138 | n = 521 | n = 1,291 | |
| No partners | 11 (2) | 0 (0) | 2 (<1) | 13 (1) | |
| Men only | 567 (90) | 10 (7) | 17 (3) | 594 (46) | |
| Women only | 18 (3) | 8 (6) | 220 (42) | 246 (19) | <0.001 |
| Men and women | 36 (6) | 120 (87) | 282 (54) | 438 (34) | |
| Sexual partners in past year | n = 621 | n = 136 | n = 505 | n = 1,262 | |
| No partners | 99 (16) | 16 (12) | 42 (8) | 157 (12) | |
| Men only | 513 (83) | 48 (35) | 3 (<1) | 564 (45) | |
| Women only | 6 (1) | 41 (30) | 446 (88) | 493 (39) | <0.001 |
| Men and women | 3 (<1) | 31 (23) | 14 (3) | 48 (4) | |
| Body mass index (mean) | 25.62 | 26.10 | 26.17 | 25.89 | 0.09 |
*
Values are numbers (percentages) unless indicated otherwise. Data are missing for some of the characteristics because some respondents did not answer all questions.