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Table 1 Descriptive statistics of the participants by trimesters

From: Correlating mechanical work with energy consumption during gait throughout pregnancy

Measure

Total Mean ± SD

1st trim Mean ± SD

2nd trim Mean ± SD

3rd trim Mean ± SD

Sig. (p)

Participants (n)

35b

14

20

10

 

Age

27.5 ± 6.1

28.1 ± 5.5

27.1 ± 6.1

26.6 ± 6.6

0.83

Height (cm)

160.8 ± 6.4

160.8 ± 5.9

160.2 ± 6.8

161.4 ± 7.2

0.89

Mass (kg)

70.4 ± 15.7

62.7 ± 10.5

71.3 ± 16.6

78.8 ± 14.7

0.08

BMI (kg/m2)

27.3 ± 5.9

24.3 ± 4.0

27.7 ± 6.2

29.9 ± 4.9

0.08

Mgain (kg)

6.1 ± 6.3

1.09 ± 3.1

5.27 ± 2.8

13.81 ± 7.9

0.00

PPM (kg)a

64.4 ± 14.5

    

PPBMI (kg/m2)

25.1 ± 5.5

    

Ethnicity

74.3 % black

    
 

17.1 % mixed ancestry

   
 

8.6 % white

    
  1. M gain mass gain from pre-pregnancy (i.e. total mass gain), PPM pre-pregnancy mass; aSelf-reported; PPBMI pre-pregnancy body mass index; trim trimester; bSeveral participants were measured in multiple stages