Logistic regression of risk factors for T. vaginalis diagnosis, with unadjusted and adjusted ORs (n=9186)
| Variable | Number (n=9186) | TV positive (n=186) | Positivity % (CI) | Unadjusted OR (CI) | p Value | Adjusted OR | p Value |
|---|---|---|---|---|---|---|---|
| Setting | |||||||
| Primary care | 7072 | 135 | 1.91 (1.60 to 2.26) | Ref | |||
| GUM | 2114 | 51 | 2.41 (1.80 to 3.16) | 1.27 (0.92 to 1.76) | 0.150 | 1.73 (1.23 to 2.45) | 0.002 |
| Symptoms | |||||||
| Absent | 5157 | 68 | 1.32 (1.03 to 1.67) | Ref | |||
| Present | 3911 | 118 | 2.93 (2.43 to 3.50) | 2.26 (1.67 to 3.05) | <0.001 | 2.28 (1.66 to 3.12) | <0.001 |
| Age group | |||||||
| 18 to 24 | 3526 | 47 | 1.33 (0.98 to 1.76) | Ref | |||
| 25 to 34 | 3387 | 58 | 1.71 (1.30 to 2.21) | 1.29 (0.88 to 1.90) | 0.20 | 1.29 (0.87 to 1.90) | 0.208 |
| 35 to 44 | 1359 | 39 | 2.87% (2.05 to 3.90) | 2.19 (1.42 to 3.36) | <0.001 | 2.26 (1.46 to 3.50) | 0.001 |
| 45 and over | 914 | 42 | 4.60 (0.33 to 6.16) | 3.56 (2.34 to 5.44) | <0.001 | 3.67 (2.38 to 5.67) | <0.001 |
| Chlamydia | |||||||
| Negative | 8936 | 172 | 1.92 (1.65 to 2.23) | Ref | |||
| Positive | 250 | 14 | 5.60 (3.09 to 9.22) | 3.02 (1.73 to 5.29) | <0.001 | 3.64 (2.02 to 6.54) | <0.001 |
| Gonorrhoea | |||||||
| Negative | 9152 | 32 | 2.01 (1.73 to 2.32) | Ref | |||
| Positive | 34 | 2 | 5.89 (0.72 to 19.68) | 3.05 (0.72 to 12.81) | 0.128 | 1.70 (0.37 to 7.75) | 0.492 |
In the adjusted analysis, T. vaginalis positivity was the outcome adjusted for all variables (setting, symptoms, age group, chlamydia and gonorrhoea status).
GUM, genitourinary medicine.