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Table 3 Associated factors for HSV-2 among women 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 4.2% (3.2–5.3) 3730, 3605
Age (years) p = 0.57 p = 0.59
 18–24 3.2% (0.9–5.4) 1.00 1.00 195, 828
 25–29 3.1% (2.2–4.0) 0.98 (0.51–1.88) 1.04 (0.51–2.14) 914, 499
 30–34 6.9% (5.0–8.8) 2.27 (0.99–5.22) 2.46 (0.94–6.44) 559, 465
 35–39 4.6% (2.9–6.3) 1.48 (0.74–2.95) 1.61 (0.68–3.80) 591, 561
 40–44 4.7% (2.1–7.4) 1.52 (0.59–3.94) 1.62 (0.55–4.79) 742, 668
 45–49 3.5% (2.0–5.1) 1.13 (0.44–2.89) 1.18 (0.38–3.63) 729, 584
Marital status p = 0.01 p = 0.02
 Unmarried/married 4.2% (3.1–5.2) 1.00 1.00 3678, 3564
 Divorced/widowed 8.8% (4.2–13.3) 2.21 (1.21–4.04) 1.79 (1.08–2.97) 52, 41
Location of residence p = 0.10
 Rural 3.2% (2.0–4.5) 1.00 1898, 1553
 Urban 5.0% (3.5–6.4) 1.56 (0.92–2.64) 1832, 2052
Smoking p = 0.47
 No 4.2% (3.2–5.3) 1.00 3660, 3551
 Yes 2.4% (0.0–6.2) 0.56 (0.12–2.70) 70, 54
Domestic violence from husband p = 0.63  
 No 4.1% (2.9–5.3) 1.00 3406, 3141
 Yes 4.7% (2.6–6.8) 1.15 (0.67–1.97) 195, 176
Transfusion history   p = 0.12
 No 4.3% (3.3–5.4) 1.00 3533, 3398
 Yes 2.7% (0.7–4.7) 0.61 (0.33–1.14) 197, 207
Having a tattoo p = 0.04 p = 0.04
 No 4.1% (3.1–5.2) 1.00 1.00 3684, 3569
 Yes 11.9% (0.9–22.9) 3.14 (1.07–9.18) 2.89 (1.07–7.84) 46, 36
Quality of sex activity p < 0.01 p < 0.01
 Satisfied 3.9% (2.8–5.0) 1.00 1.00 3510, 3389
 Dissatisfied 8.5% (4.9–12.1) 2.26 (1.35–3.79) 2.12 (1.24–3.63) 220, 216
Extramarital sex   p = 0.68
 No 4.1% (2.8–5.4) 1.00 3471, 3197
 Yes 5.1% (1.0–9.1) 1.24 (0.44–3.50) 130, 121
Number of sex partners p = 0.07 p = 0.15
  < 2 4.1% (3.1–5.0) 1.00 1.00 3617, 3461
  ≥ 2 8.0% (1.7–14.2) 2.05 (0.95–4.44) 2.17 (0.76–6.23) 113, 144
Commercial sex p = 0.86  
 No 4.2% (3.2–5.2) 1.00 3688, 3572
 Yes 4.6% (0.0–9.8) 1.09 (0.41–2.91) 42, 33
  1. “Times of drunk in the past year” was not presented in the table because 91% of participants did not drink in the past year
  2. CI confidence interval, OR odds ratio
  3. aAdjusted for age, marital status, having a tattoo, quality of sex activity, and number of sex partners
  4. bDenominator was participants with sex experience and a blood test result