Skip to main content

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