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Table 2 Baseline characteristics (n = 68)

From: Implementing self-management: a mixed methods study of women’s experiences of a postpartum hypertension intervention (SNAP-HT)

Variable

Intervention (I)

(n = 34)

Control (C)

(n = 34)

Mean age (SD), years

32.5 (5.0)

31.9 (4.8)

Mean BMI (SD), kg/m2

28.8 (8.1)

28.5 (9.0)

Parity (frequency (%))

 0

22 (65%)

22 (65%)

 1

8 (24%)

9 (26%)

 2

2 (6%)

2 (6%)

 ≥ 3

2 (6%)

1 (3%)

Ethnicity (frequency (%))

 White (British)

29 (85%)

26 (76%)

 White (other)

2 (6%)

6 (18%)

 Black

1 (3%)

1 (3%)

 Asian

2 6%)

1 (3%)

IMD quintile (frequency (%))

 1st

14 (41%)

17 (50%)

 2nd

7 (21%)

6 (18%)

 3rd

9 (26%)

6 (18%0

 4th

4 (12%)

4 (12%)

 5th

0 (0%)

1 (3%)

Diagnosis (frequency (%))

 Gestational hypertension

17 (50%)

16 (47%)

 Pre-eclampsia

17 (50%)

18 (53%)

Median gestation at diagnosis (IQR), weeks

36.1 (34 to 37.9)

34.9 (30.9 to 36.6)

Median gestation at delivery (IQR), weeks

37.9 (37 to 39.3)

37.4 (36.3 to 39.1)

Compliance with daily readings (frequency (%))a

N/A

 100%

9 (27%)

 75–99%

13 (39%)

 50–74%

8 (24%)

 25–49%

3 (9%)

 0–24%

0 (0%)

Accuracy of daily readings (frequency (%))b

N/A

100%

12 (36%)

75–99%

16 (48%)

50–74%

3 (9%)

25–49%

1 (3%)

0–24%

1 (3%)

  1. Abbreviations: BMI body mass index, IMD index of multiple deprivation, IQR interquartile range, N/A not applicable, SD standard deviation
  2. aDefined as the percentage of expected daily blood pressure readings submitted via a participant by telemonitoring; data available for 33/34 participants
  3. bDefined as the percentage of submitted daily blood pressure readings which matched readings downloaded from HBPM monitor at the end of the study; data available for 33/34 participants