Table 1 Comparison of characteristics of included and not included participants.

From: Trajectory of blood pressure change during pregnancy and the role of pre-gravid blood pressure: a functional data analysis approach

 

Women included in analysis

Women excluded from analysis

P

N

1282

1010

 

Age (years)

25.3 ± 3.2

25.3 ± 2.9

0.89

Education (years)

10.8 ± 2.3

11.4 ± 2.7

<0.01

Pre-gravid BMI (kg/m2)

20.2 ± 2.3

20.0 ± 2.6

0.17

Pre-gravid SBP (mmHg)

110.9 ± 12.0

111.6 ± 11.7

0.13

Pre-gravid DBP (mmHg)

71.0 ± 8.9

70.9 ± 8.7

0.80

Parity

    Nulliparous

1111 (86.7%)

884 (87.5%)

0.57

    Parous

171 (13.3%)

126 (12.5%)

 
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