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Table 1 Baseline characteristics

From: Blood pressure self-monitoring in pregnancy: examining feasibility in a prospective cohort study

 

Number of participants

Mean(SD) or %

Demographics

 Age (years)

201

31 (6)

 BMId

198

28 (7)

Ethnicity

 White

157

78

 Mixed

8

4

 Asian or Asian British

18

9

 Black or Black British

8

4

 Chinese or other

6

3

 Unknown/not disclosed

4

2

Eligibilitya

 Age ≥ 40

18

9

 BMI ≥30

61

31

 Multiple pregnancy

35

17

 First pregnancy

87

43

 Diagnosed with high BP pre-pregnancy

18

9

 High BP in previous pregnancy

42

21

 Pre-eclampsia in previous pregnancy

24

12

 Family history of pre-eclampsia

39

20

 Pregnancy interval > 10 yrs

6

3

 Renal disease

6

3

Clinic BP at baselineb , d

 Systolic

200

118 (10)

 Diastolic

200

71 (9)

Education (highest)

 Professional qualifications or degree

101

50

 School qualifications only

74

37

 No formal qualifications

7

4

 Unknown

19

9

Other baseline characteristics

 Converted STAI scorec

179

34 (11)

 Measured BP at home previously

9

25

  1. aParticipants required one or more eligibility criteria
  2. bClinic BP at baseline included readings up to 18 weeks pregnancy
  3. cSix-item version of the State-Trait Anxiety Inventory (STAI-6) was converted pro-rata to range 20–80.
  4. dThere was missing baseline information from one participant and 2 further participants did not wish to provide BMI data