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Table 1 Sociodemographic, obstetric, and clinical characteristics of the pregnancy cohort at enrolment, Kenya, 2017–2019

From: Prevalence of microcephaly and Zika virus infection in a pregnancy cohort in Kenya, 2017–2019

Characteristic

N

 

Age, years mean (SD)

2312

28.4 (± 5.6)

Education level completed

2278

 

 Primary and below, n (%)

 

592 (26.0)

 Secondary, n (%)

 

1016 (44.6)

 Tertiary, n (%)

 

670 (29.4)

Occupation

2312

 

 Employed, n (%)

 

953 (41.2)

 Self-employed, n (%)

 

366 (15.8)

 Unemployed, n (%)

 

992 (42.9)

Gestational age in weeks, median [IQR]

2312

20.0 [15.1–24.1]

Previous pregnancies

2309

 

 0, n (%)

 

691 (29.9)

 1 to 3, n (%)

 

1415 (61.3)

 Above 3, n (%)

 

203 (8.8)

Previous pregnancies’ outcome

1618

 

 Pregnancy loss

 

528 (32.6)

 Newborn with birth defects

 

19 (1.2)

Any chronic diseasea, n (%)

2312

143 (6.2)

Systolic blood pressure (mmHg)b, mean (SD)

2309

109.3 (11.7)

Diastolic blood pressure (mmHg)c, mean (SD)

2307

67.9 (9.3)

Hemoglobin level (g/dl)d, mean (SD)

2145

11.2 (2.7)

HIV infected, n (%)

2160

343 (15.9)

HIV infected and using ARVs, n (%)

343

310 (92.3)

Positive VDRL for syphilis, n (%)

2163

29 (1.3)

  1. IQR interquartile range, SD standard deviation, VDRL Venereal Disease Research Laboratory, ARV antiretroviral drugs
  2. aChronic disease included asthma, hypertension, diabetes, and epilepsy
  3. bNormal range 90–120
  4. cNormal range 60–80
  5. dNormal range 9.5–15