Table 1.
Demographic, sexual behaviour and clinical characteristics of participants (n=628) and demographic characteristics of study interviewers
| Age group (years) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Characteristic | Overall N (%) | Female (n=364) N (%) | Male (n=264) N (%) | p Value | 15–21 (n=179) N (%) | 22–36 (n=283) N (%) | >37 (n=165) N (%) | p Value |
| Demographic factors | ||||||||
| Age—mean (SD) | 29.90 (11.27) | 28.49 (10.89) | 31.85 (11.52) | <0.001 | ||||
| Race* | ||||||||
| African American/black | 383 (60.99) | 215 (59.07) | 168 (63.64) | 0.049 | 94 (52.51) | 163 (57.60) | 126 (76.36) | <0.001 |
| Caucasian/white | 153 (24.36) | 85 (23.35) | 68 (25.76) | 42 (23.46) | 90 (31.80) | 21 (12.73) | ||
| Other/mixed | 92 (14.65) | 64 (17.58) | 28 (10.61) | 43 (24.02) | 30 (10.60) | 18 (10.91) | ||
| Hispanic | 54 (8.61) | 41 (11.29) | 13 (4.92) | 0.006 | 35 (19.55) | 15 (5.30) | 4 (2.42) | <0.001 |
| Income per month | ||||||||
| Less than $500 | 208 (39.92) | 118 (41.26) | 90 (38.30) | 0.050 | 73 (60.33) | 84 (31.94) | 51 (37.23) | <0.001 |
| Between $500 and $1000 | 154 (29.56) | 93 (32.52) | 61 (25.96) | 34 (28.10) | 73 (27.76) | 47 (34.31) | ||
| More than $1000 | 159 (30.52) | 75 (26.22) | 84 (35.74) | 14 (11.57) | 106 (40.30) | 39 (28.47) | ||
| Education | ||||||||
| Less than high school | 113 (18.02) | 76 (20.94) | 37 (14.02) | 0.061 | 51 (28.49) | 34 (12.01) | 28 (16.97) | <0.001 |
| High school graduate | 172 (27.43) | 92 (25.34) | 80 (30.30) | 47 (26.26) | 66 (23.32) | 59 (35.76) | ||
| Some college or more | 342 (54.55) | 195 (53.72) | 147 (55.68) | 81 (45.25) | 183 (64.66) | 78 (47.27) | ||
| Sexual behaviours | ||||||||
| Sexual partners, lifetime mean (SD) | 28.48 (36.34) | 22.52 (33.51) | 36.68 (38.49) | <0.001 | 10.31 (11.15) | 30.67 (37.60) | 44.42 (43.02) | <0.001 |
| Sexually transmitted infections | ||||||||
| History of STI† | 273 (43.47) | 173 (47.53) | 100 (37.88) | 0.018 | 57 (31.84) | 138 (48.76) | 78 (47.27) | <0.001 |
| Positive for STI‡, past 6 months | 73 (11.70) | 52 (14.36) | 21 (8.02) | 0.016 | 22 (12.43) | 35 (12.41) | 16 (9.76) | 0.661 |
*
Other includes: American Indian/Alaskan Native, Asian, mixed race and other race.
†
Herpes, genital warts, HPV, gonorrhoea, syphilis, chlamydia, trichomoniasis, hepatitis and/or other.
‡
Positive for chlamydia, gonorrhoea and/or trichomoniasis as determined by laboratory results from samples taken at study visits 2 or 3.
HPV, human papillomavirus; STI, sexually transmitted infection.