Table 1

Maternal characteristics of pregnant women according to Q fever seropositivity in immunofluorescence antibody test (IFA)
IFA positive (n = 169) IFA negative (n = 687)
Age:
<25 years 10 (5.9%) 94 (13.7%)
25 - <35 years 139 (82.3%) 492 (71.6%)
35 years+ 20 (11.3%) 101 (14.7%)
Prior pregnancies
0 57 (33.7%) 250 (36.4%)
1+ 112 (66.3%) 437 (64.6%)
Gestational age at recruitment:
<8 21 (12.4%) 111 (16.2%)
Week 8-12 86 (50.9%) 321(46.7%)
Week 12- < 16 38 (22.5%) 186 (27.1%)
Week 16+ 24 (14.2%) 69 (10.0%)
Smoking:
Non-smokers: 155 (91.7%) 566 (82.1%)
1- < 10 g/day 4 (2.4%) 64 (9.3%)
+10 g/day 8 (4.7%) 48 (7.0%)
Unknown 2 (1.2%) 9 (1.3%)
Animal Contact:
Occupational or domestic contact to livestock (cattle, goats, sheep) 147 (87.0%) 250 (36.4%)
No contact to livestock 22 (13.1%) 437 (63.6)
Residence:
Living in rural area 121 (71.6%) 303 (44.5%)
Living in non-rural area 45 (26.6%) 373 (54.3%)
Unknown 3 (1.8%) 8 (1.2%)

Nielsen et al.

Nielsen et al. BMC Infectious Diseases 2013 13:87   doi:10.1186/1471-2334-13-87

Open Data