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Table 2 Associated factors for HSV-2 among men 18–49 years of age in Shandong province, China in May to August, 2016

From: Seroprevalence and associated factors of HSV-2 infection among general population in Shandong Province, China

  % (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
  1. CI confidence interval, OR odds ratio
  2. aAdjusted for age, location of residence, smoking, transfusion history, number of sex partners in the past year, and commercial sex
  3. bDenominator was participants with sex experience and a blood test result
  4. c Those variables were not included into multivariate analyses because of missing data for unmarried participants