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Table 3 B19V IgG seropositivity in Australian blood donors, 2016

From: Seroprevalence of antibodies to primate erythroparvovirus 1 (B19V) in Australia

Variable Number tested B19V IgG seropositive Univariate logistic regression analysis Multivariate logistic regression analysis
n % (95% CI) OR (95% CI) P value OR (95% CI) P value
TOTAL 2221 1360 61.23 (59.21–63.26)
Sex        
 Male 1109 686 61.86 (59.00–64.72) a
 Female 1112 674 60.61 (57.75–63.48) 0.95 (0.80–1.13) 0.547
Age group      < 0.001   < 0.001
 16–24 374 192 51.34 (46.27–56.40) a a
 25–34 376 221 58.78 (53.80–63.75) 1.35 (1.01–1.80) 0.041 1.36 (1.016–1.82) 0.039
 35–44 376 202 53.72 (48.68–58.76) 1.10 (0.83–1.47) 0.513 1.10 (0.83–1.47) 0.503
 45–54 376 235 62.50 (57.61–67.39) 1.58 (1.18–2.11) 0.002 1.59 (1.19–2.13) 0.002
 55–64 367 234 63.76 (58.84–68.68) 1.67 (1.24–2.24) 0.001 1.68 (1.25–2.26) 0.001
 65–80 352 276 78.41 (74.11–82.71) 3.44 (2.49–4.76) < 0.001 3.43 (2.47–4.76) < 0.001
State/territory      < 0.001   < 0.001
 New South Wales 323 199 61.61 (56.31–66.91) 1.45 (1.05–2.0) 0.024 1.38 (1.0–1.91) 0.052
 Northern Territory 293 154 52.56 (46.84–58.28) a a
 Queensland 323 186 57.59 (52.20–62.97) 1.23 (0.89–1.69) 0.211 1.16 (0.84–1.60) 0.376
 South Australia 321 202 62.93 (57.64–68.21) 1.53 (1.11–2.16) 0.009 1.46 (1.05–2.03) 0.023
 Tasmania 320 230 71.88 (66.95–76.80) 2.31 (1.65–3.22) < 0.001 2.22 (1.58–3.12) < 0.001
 Victoria 317 213 67.19 (62.02–72.36) 1.85 (1.33–2.57) < 0.001 1.77 (1.27–2.47) 0.001
 Western Australia 324 176 54.32 (48.90–59.75) 1.07 (0.78–1.48) 0.661 1.01 (0.73–1.39) 0.951
  1. B19V: Primate erythroparvovirus 1; CI: Confidence interval; a = reference group