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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)

VariableIntervention (I)
(n = 34)
Control (C)
(n = 34)
Mean age (SD), years32.5 (5.0)31.9 (4.8)
Mean BMI (SD), kg/m228.8 (8.1)28.5 (9.0)
Parity (frequency (%))
 022 (65%)22 (65%)
 18 (24%)9 (26%)
 22 (6%)2 (6%)
 ≥ 32 (6%)1 (3%)
Ethnicity (frequency (%))
 White (British)29 (85%)26 (76%)
 White (other)2 (6%)6 (18%)
 Black1 (3%)1 (3%)
 Asian2 6%)1 (3%)
IMD quintile (frequency (%))
 1st14 (41%)17 (50%)
 2nd7 (21%)6 (18%)
 3rd9 (26%)6 (18%0
 4th4 (12%)4 (12%)
 5th0 (0%)1 (3%)
Diagnosis (frequency (%))
 Gestational hypertension17 (50%)16 (47%)
 Pre-eclampsia17 (50%)18 (53%)
Median gestation at diagnosis (IQR), weeks36.1 (34 to 37.9)34.9 (30.9 to 36.6)
Median gestation at delivery (IQR), weeks37.9 (37 to 39.3)37.4 (36.3 to 39.1)
Compliance with daily readings (frequency (%))aN/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 (%))bN/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