Table 2.
Associated factors for HSV-2 among men 18–49 years of age in Shandong province, China in May to August, 2016
| % (95% CI) | Crude OR (95% CI) |
Adjusted OR (95% CI)a |
Denominatorb unweighted, weighted | |
|---|---|---|---|---|
| All ages | 2.7% (1.1–4.3) | – | – | 3526, 3651 |
| Age (years) | – | p = 0.41 | p = 0.14 | – |
| 18–24 | 2.4% (0.0–5.9) | 1.00 | 1.00 | 253, 852 |
| 25–29 | 1.4% (0.5–2.3) | 0.59 (0.22–1.57) | 0.74 (0.26–2.10) | 786, 500 |
| 30–34 | 2.5% (0.0–5.2) | 1.06 (0.53–2.12) | 1.42 (0.70–2.89) | 503, 471 |
| 35–39 | 3.6% (1.4–5.8) | 1.56 (0.27–8.91) | 2.17 (0.33–14.11) | 566, 575 |
| 40–44 | 3.6% (1.7–5.6) | 1.56 (0.50–4.83) | 2.19 (0.66–7.28) | 721, 675 |
| 45–49 | 2.3% (0.0–4.7) | 0.98 (0.46–2.08) | 1.39 (0.63–3.05) | 697, 578 |
| Marital status | p = 0.92 | – | ||
| Unmarried/married | 2.7% (1.0–4.3) | 1.00 | – | 3473, 3602 |
| Divorced/widowed | 2.4% (0.0–6.7) | 0.91 (0.16–5.13) | – | 53, 49 |
| Location of residence | – | p = 0.02 | p = 0.02 | – |
| Rural | 1.5% (0.7–2.3) | 1.00 | 1 | 1799, 2082 |
| Urban | 3.6% (1.3–5.8) | 2.44 (1.12–5.26) | 2.36 (1.14–4.88) | 1727, 1569 |
| Smoking | p = 0.08 | p = 0.14 | – | |
| No | 2.2% (0.5–4.0) | 1.00 | 1 | 1761, 1796 |
| Yes | 3.1% (0.0–5.2) | 1.39 (0.96–2.04) | 1.34 (0.91–1.99) | 1765, 1855 |
| Times of drunk in the past year | p = 0.68 | – | – | |
| 0 | 3.1% (0.0–7.0) | 1.00 | – | 1042, 1058 |
| 1–3 | 2.0% (1.3–2.7) | 0.62 (0.18–2.08) | – | 1049, 1073 |
| 4–6 | 3.2% (1.5–4.9) | 1.03 (0.36–2.94) | – | 289, 329 |
| > 6 | 2.0% (0.0–3.9) | 0.62 (0.11–3.42) | – | 317, 339 |
| Domestic violence to wifec | – | p < 0.01 | – | – |
| No | 2.4% (1.2–3.7) | 1.00 | – | 2928, 2845 |
| Yes | 4.9% (1.0–8.8) | 2.06 (1.35–3.14) | – | 318, 275 |
| Transfusion history | – | p = 0.05 | p = 0.15 | – |
| No | 2.6% (1.0–4.1) | 1.00 | 1.00 | 3364, 3481 |
| Yes | 5.1% (0.6–9.5) | 2.03 (1.01–4.09) | 1.61 (0.85–3.07) | 162, 170 |
| Quality of sex activity | p = 0.59 | – | – | |
| Satisfied | 2.7%(0.9–4.6) | 1.00 | – | 3238, 3386 |
| Dissatisfied | 2.0%(0.6–3.5) | 0.73 (0.24–2.27) | – | 288, 266 |
| Extramarital sexc | – | p < 0.01 | – | – |
| No | 2.4% (1.0–3.8) | 1.00 | – | 2926, 2794 |
| Yes | 4.6% (2.6–6.5) | 1.93 (1.53–2.45) | – | 320, 326 |
| Number of sex partners in the past year | – | p < 0.01 | p < 0.01 | – |
| < 2 | 2.3% (0.9–3.6) | 1.00 | 1.00 | 3302, 3349 |
| ≥ 2 | 7.1% (1.5–12.7) | 3.28 (2.05–5.27) | 3.22 (1.90–5.43) | 224, 302 |
| Commercial sex | – | p < 0.01 | p = 0.05 | – |
| No | 2.5% (1.0–4.0) | 1.00 | 1.00 | 3382, 3463 |
| Yes | 6.3% (0.8–11.9) | 2.66 (1.65–4.29) | 1.51 (1.00–2.26) | 144, 188 |
CI confidence interval, OR odds ratio
aAdjusted for age, location of residence, smoking, transfusion history, number of sex partners in the past year, and commercial sex
bDenominator was participants with sex experience and a blood test result
c Those variables were not included into multivariate analyses because of missing data for unmarried participants