Table 1.
Positive (n=100) | Negative (n=3873) | Odds ratio (95% CI) | P | |
---|---|---|---|---|
Mean age (years) | 21 | 25 | — | <0.001* |
Symptoms suggestive of bacterial STI | 57 (57) | 1614 (42) | 1.88 (1.22 to 2.82) | 0.003† |
Previous STI | 46 (46) | 1432 (37) | 1.45 (0.96 to 2.22) | 0.08† |
Contact with a partner recently diagnosed with an STI | 26 (26) | 266 (7) | 4.76 (2.92 to 7.74) | <0.001† |
Cervicitis diagnosis | 22 (22) | 196 (5) | 5.29 (3.13 to 8.89) | <0.001† |
Pelvic inflammatory disease diagnosis | 14 (14) | 155 (4) | 3.90 (2.07 to 7.24) | |
Ethnicity | ||||
White | 58 (58) | 3113 (80) | 0.34 (0.22 to 0.52) | <0.001† |
Black | 15 (15) | 347 (9) | 1.79 (0.98 to 3.22)§ | 0.06† |
Mixed | 26 (26) | 271 (7) | 4.67 (2.86 to 7.59)§ | <0.001† |
Black and mixed | 41 (41) | 618 (16) | 3.66 (2.39 to 5.60)§ | <0.001† |
Other | 1 (1) | 142 (4) | 0.27 (0.01 to 1.54)§ | 0.27‡ |
Data are no (%) of women unless stated otherwise.
*Mann-Whitney U test.
†Pearson’s χ2 test with Yates correction.
‡Fisher’s exact test.
§Versus white ethnic group.