Table 1. Correlates of several selected factors among male patients with Neisseria meningitidis US NmNG urethritis and controls, Vietnam*.
| Variables | Cases, n = 19 | Controls, n = 76 | Univariable analysis† |
Multivariable analysis† |
|||
|---|---|---|---|---|---|---|---|
| OR (95% CI) | p value | aOR (95% CI) | p value | ||||
| Mean age, y | 26.9 | 27.8 | 0.90 (0.75–1.07) | 0.232 | NA | ||
| Mean years of education | 10.8 | 11.0 | 0.96 (0.75–1.23) | 0.760 | |||
| Currently living in Ho Chi Minh City |
14 (73.4) |
56 (73.7) |
1.00 (0.30–3.28) |
>0.999 |
|
|
|
| Living arrangements | |||||||
| Live with a female partner | 1 (5.3) | 22 (30.1) | Referent | Referent | |||
| Live with a male partner | 8 (42.1) | 10 (13.7) | 17.03 (1.83–158.26) | 0.013 | 14.41 (1.01–204.62) | 0.049 | |
| Other, e.g., live alone, or with friends
or family |
3 (15.8) |
12 (16.4) |
5.44 (0.65–45.54) |
0.118 |
|
7.0 (0.61–80.24) |
0.118 |
| Ever had sex with | |||||||
| Male sexual partners | 14 (73.7) | 49 (64.5) | Referent | ||||
| Female sexual partners | 4 (21.1) | 16 (21.1) | 0.41 (0.02–7.54) | 0.551 | |||
| Both male and female partners |
1 (5.3) |
11 (14.5) |
0.17 (0.01–3.17) |
0.238 |
|
|
|
| Ever had oral sex |
19 (100.0) |
74 (97.4) |
NA |
|
|
|
|
| Ever participated in group sex |
1 (5.3) |
2 (2.6) |
2 (0.18–22.06) |
0.571 |
|
|
|
| During past 12 mo | |||||||
| Oral or vaginal sex with female partner | 4 (21.1) | 44 (57.9) | 0.10 (0.02–0.47) | 0.004 | 0.13 (0.02–0.87) | 0.035 | |
| Oral or anal sex with male partner | 15 (78.9) | 39 (51.3) | 10.57 (1.28–87.34) | 0.029 | NA | ||
| Any casual partners | 5 (26.3) | 34 (44.7) | 0.39 (0.12–1.32) | 0.131 | NA | ||
| Commercial sex worker partner | 3 (15.8) | 28 (36.8) | 0.30 (0.08–1.15) | 0.078 | |||
| Drunkenness during sex |
3 (15.8) |
23 (30.3) |
0.33 (0.07–1.65) |
0.177 |
|
|
|
| Sex with a foreign-born partner in the past month |
3 (15.8) |
1 (1.3) |
12.0 (1.25–115.36) |
0.031 |
|
26.78 (1.03–697.82) |
0.048 |
| Condom use during sex before symptom onset‡ |
1 (5.3) |
2 (2.7) |
1.81 (0.16–20.08) |
0.628 |
|
|
|
| Used social media sites to find sexual partners |
13 (68.4) |
32 (42.1) |
4.07 (1.17–14.13) |
0.027 |
|
NA |
|
| Ever used ATS§ | 1 (5.3) | 4 (5.3) | 1.00 (0.10–10.07) | >0.999 | |||
*Values are no. (%) except as indicated. ATS, amphetamine-type stimulants; aOR, adjusted odds ratio; NA, not applicable; OR, odds ratio. †Conditional logistic regression. ‡Symptoms were pyuria, dysuria, or both. §Ecstasy, crystal meth (methamphetamine), or other substances used to increase excitement when having sex (also called chemsex).