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Table 1 Univariate and multivariate logistic regression analysis of factors associated with IgM seropositivity

From: The magnitude and correlates of Parvovirus B19 infection among pregnant women attending antenatal clinics in Mwanza, Tanzania

Characteristics

IgM seropositivity

(N, %)

Univariate

Multivariate

OR(95% CI)

P value

OR(95% CI)

P value

Age(years)a

21IQR (19–25)

0.97(0.92–1.02)

0.261

  

Gestation age

 First trimester (116)

41(35.3)

1

   

 Second trimester (109)

31(28.9)

0.74(0.42–1.31)

0.310

  

 Third trimester (33)

11(36.7)

1.05(0.45–2.44)

0.893

  

 Number in household

3IQR (2–5)

1.04(0.91–1.19)

0.528

  

Residence

 Urban (168)

48 (28.6)

1

   

 Rural (85)

35 (41.2)

1.75(1.01–3.02)

0.045

1.60(0.91–2.8)

0.098

Education

 High (50)

15 (30.0)

1

   

 Low (203)

68 (33.5)

1.175(0.60–2.30)

0.637

  

Occupation

 Employed (178)

59 (33.2)

1

   

 No employment (75)

24 (32.0)

0.949(0.53–1.68)

0.859

  

HIV status

 Negative(95)

31 (32.6)

1

   

 Positive (8)

4 (50.0)

2.81(0.54–14.66)

0.219

  

 Unknown (150)

48 (32.0)

1.20(0.72–2.00)

0.483

  

History of premature baby

 No (241)

75 (31.12)

1

   

 Yes (12)

8 (66.67)

4.42(1.29–15.15)

0.018

3.03(0.68–13.42)

0.129

History of miscarriage

 No (221)

71 (32.1)

1

   

 Yes (32)

12 (37.5)

1.057(0.50–2.22)

0.883

0.91(0.34–2.41)

0.847

History of baby with malformation

 No (247)

80 (32.4)

1

   

 Yes (6)

3 (50.0)

2.087(0.41–10.57)

0.374

  

History of a baby with low birth weight

 No (229)

71 (31.0)

1

   

 Yes (24)

12 (50.0)

2.22(0.95–5.14)

0.064

1.35(0.46–4.72)

0.098

  1. High: College and above; Low: Primary education
  2. aMedian