Table 3.
Linear regression coefficients for change in geometric mean minimum inhibitory concentrations of non-pathogenic Neisseria for ciprofloxacin, azithromycin and ceftriaxone.
| All non-pathogenic Neisseria | Number of participants (%) | Ciprofloxacin | Azithromycin | Ceftriaxone | |||
|---|---|---|---|---|---|---|---|
| Unadjusted OR (95% CI) | AdjustedA OR (95% CI) | Unadjusted OR (95% CI) | AdjustedA OR (95% CI) | Unadjusted OR (95% CI) | AdjustedA OR (95% CI) | ||
| Population | |||||||
| Employees | 32 (33.3) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) |
| MSM | 64 (66.7) | 2.45 (1.14–5.27)* | 1.69 (0.78–3.66) | 4.38 (1.97–9.77)* | 3.31 (1.42–7.72)* | 1.66 (1.05–2.61)* | 1.58 (1.06–2.35)* |
| Used antibiotic in the previous 6 months | |||||||
| No | 64 (66.7) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) | 1 (Ref) |
| Yes | 32 (33.3) | 3.23 (1.21–8.59)* | 3.79 (1.49–9.59)* | 2.69 (0.97–7.47) | 2.99 (1.07–8.31)* | 0.75 (0.42–1.34) | 0.75 (0.47–1.21) |
| Neisseria subflava | Number of participants (%) | Unadjusted | AdjustedA | Unadjusted | AdjustedA | Unadjusted | AdjustedA |
|---|---|---|---|---|---|---|---|
| Population | |||||||
| Employees | 31 (49.2) | 1 (Ref) | NA | 1 (Ref) | NA | 1 (Ref) | NA |
| MSM | 32 (50.8) | 1.80 (0.75–4.33) | NA | 4.07 (1.51–10.95)* | NA | 1.68 (1.06–2.67)* | NA |
| Used antibiotic in the previous 6 months | |||||||
| No | 50 (79.4) | 1 (Ref) | NA | 1 (Ref) | NA | 1 (Ref) | NA |
| Yes | 13 (20.6) | 3.34 (1.13–9.86)* | NA | 4.58 (1.35–15.57)* | NA | 0.78 (0.44–1.38) | NA |
CI Confidence Interval, MIC minimum inhibitory concentration, NA not applicable, OR odds ratio.
*Estimate is statistically significant as the CI does not include 1.
AAdjusted for Neisseria species.