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%) |