Demographic characteristics, sexual behaviours and gonorrhoea positivity among 58 men
| Listerine group (n=33) | Saline group (n=25) | p Value* | |
|---|---|---|---|
| Demographic characteristics and sexual behaviours | |||
| Age, median [IQR] | 27 [23–31] | 28 [25–31] | 0.445 |
| Number of male sex partners in the last 3 months, median [IQR] | 5 [3–7] | 6 [5–8] | 0.303 |
| Use of spirits in the last 3 months, n (%) | 0.546 | ||
| Daily | 1 (3%) | 1 (4%) | |
| Weekly | 13 (39%) | 8 (32%) | |
| Monthly | 7 (21%) | 6 (24%) | |
| Less than monthly | 7 (21%) | 9 (36%) | |
| Never | 5 (15%) | 1 (4%) | |
| Use of mouthwash, n (%) | 0.985 | ||
| Daily | 7 (21%) | 5 (20%) | |
| Weekly | 10 (30%) | 7 (28%) | |
| Monthly | 3 (9%) | 2 (8%) | |
| Less than monthly | 4 (12%) | 2 (8%) | |
| <6 month | 1 (3%) | 1 (4%) | |
| Never | 8 (24%) | 8 (32%) | |
| Type of mouthwash, n (%) | 0.849 | ||
| Alcohol-containing | 10 (40%) | 6 (35%) | |
| Alcohol-free | 10 (40%) | 6 (35%) | |
| Unsure | 5 (20%) | 5 (30%) | |
| HIV serostatus, n (%) | 0.378 | ||
| Positive | 4 (12%) | 1 (4%) | |
| Negative | 29 (88%) | 24 (96%) | |
| Gonorrhoea positivity by culture after rinsing and gargling | |||
| Pharyngeal surface (posterior oropharynx and/or tonsillar fossae) | 0.013 | ||
| Positive | 17 (52%) | 21 (84%) | |
| Negative | 16 (48%) | 4 (16%) | |
| Tonsillar fossae† | 0.016 | ||
| Positive | 13 (57%) | 18 (90%) | |
| Negative | 10 (43%) | 2 (10%) | |
| Posterior oropharynx‡ | 0.277 | ||
| Positive | 13 (57%) | 14 (70%) | |
| Negative | 10 (43%) | 6 (30%) | |
*Fisher's exact test.
†Forty-three men were included (23 in Listerine group and 20 in saline group) as they were culture positive at the tonsillar fossae before using the solution.
‡Forty-three men were included (23 in Listerine group and 20 in saline group) as they were culture positive at the posterior oropharynx before using the solution.