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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