Table 1.
Baseline demographic, reproductive history and behavioral characteristics, overall and by sexually transmitted infection status at baseline.
| Overall | STI-negativea | STI-positivea | |||||
|---|---|---|---|---|---|---|---|
| Characteristic | (N = 350) | (N = 255) | (N = 93) | P valueb | |||
| Number | (%) | Number | (%) | Number | (%) | ||
| Age | |||||||
| 14–16 | 122 | (34.9) | 82 | (32.2) | 40 | (43.0) | 0.06 |
| 17–19 | 228 | (65.1) | 173 | (67.8) | 53 | (57.0) | |
| Any health insurance | |||||||
| No or do not know | 134 | (38.3) | 97 | (38.0) | 35 | (37.6) | 0.95 |
| Yes | 216 | (61.7) | 158 | (62.0) | 58 | (62.4) | |
| Ever seen in clinic | |||||||
| No | 119 | (34.0) | 74 | (29.0) | 44 | (47.3) | <0.01 |
| Yes | 231 | (66.0) | 181 | (71.0) | 49 | (52.7) | |
| Reason for clinic visit | |||||||
| Pregnancy test | 130 | (37.1) | 87 | (34.1) | 41 | (44.1) | 0.09 |
| Birth control | 183 | (52.3) | 138 | (54.1) | 45 | (48.4) | 0.34 |
| STI testing | 149 | (42.6) | 104 | (40.8) | 45 | (48.4) | 0.20 |
| Think might have an STI | |||||||
| No | 255 | (72.9) | 198 | (77.7) | 55 | (59.1) | <0.01 |
| Yes or maybe | 95 | (27.1) | 57 | (22.4) | 38 | (40.9) | |
| Ever told had an STI | |||||||
| No | 197 | (56.3) | 149 | (58.4) | 46 | (49.5) | 0.14 |
| Yes | 153 | (43.7) | 106 | (41.6) | 47 | (50.5) | |
| Ever pregnant | |||||||
| No | 258 | (73.7) | 188 | (73.7) | 68 | (73.1) | 0.91 |
| Yes | 92 | (26.3) | 67 | (26.3) | 25 | (26.9) | |
| Age at first sex | |||||||
| <15 | 150 | (42.9) | 106 | (41.6) | 44 | (47.3) | 0.34 |
| ≥15 | 200 | (57.1) | 149 | (58.4) | 49 | (52.7) | |
| Lifetime sex partners | |||||||
| 1–3 | 189 | (54.0) | 140 | (54.9) | 47 | (50.5) | 0.47 |
| 4–7 | 161 | (46.0) | 115 | (45.1) | 46 | (49.5) | |
| Description of most recent partner | |||||||
| Serious boyfriend | 176 | (50.3) | 131 | (51.4) | 43 | (46.2) | 0.17 |
| On and off boyfriend | 49 | (14) | 31 | (12.2) | 18 | (19.4) | |
| Friend | 30 | (11.4) | 19 | (7.5) | 11 | (11.8) | |
| No one special | 8 | (3.0) | 5 | (2.0) | 3 | (3.2) | |
| Other/missing | 87 | (24.9) | 69 | (27.1) | 18 | (19.4) | |
| Agreed to monogamy with most recent sex partner | |||||||
| No | 58 | (16.7) | 41 | (16.1) | 17 | (18.5) | 0.61 |
| Yes | 290 | (83.3) | 213 | (83.9) | 75 | (81.5) | |
STI = sexually transmitted infection.
aMissing STI diagnosis, n = 2.
bFrom chi-squared test of difference by STI status.