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Table 3 Change in physical activity levels between first and second trimesters (median, interquartile range)

From: Objectively measured physical activity during pregnancy: a study in obese and overweight women

 

First trimester

Second trimester

Change first-second trimester

p value

Accelerometry data:

 

Change in physical activity levels between first and second trimesters n = 26*

  

Total recorded time (mins/day)

780 (725, 838)

742 (693, 800)

-44 (-91.4, 9.3)

0.018

Sedentary time (mins/day)

631 (570, 673)

585 (524, 637)

-25 (-84, 12.4)

0.023

Light activity (mins/day)

122 (95, 152)

122 (101, 154)

-9 min (-17.2, 12.0)

0.304

MVPA (mins/day)

36 (26, 66)

33 (27, 52)

-2 min (-8.9,+1.8)

0.269

Counts per minute

262 (199, 384)

259 (226, 338)

3 (-40.6, 34.8)

0.909

30+ mins/day MVPA (number)(%)

17 (65%)

16 (62%)

-

 

RPAQ ‡ data:

 

n = 26*

  

Total (METhrs/day)

26.4 (23.0, 29.0)

25.7 (22.8, 29.1)

-0.35 (-2.12, 1.28)

0.638

Home (METhrs/day)

16.4 (13.1, 20.5)

17.2 (13.0, 19.7)

0.29 (-1.41, 1.77)

0.990

Transport (METhrs/day)

0.25 (0.11, 0.66)

0.21 (0.07, 0.76)

0 (-0.07, 0.10)

0.906

Work (METhrs/day)

8.3 (5.7, 11.3)

8.0 (5.6, 10.1)

0 (-2.06, 0.04)

0.037

Recreational (METhrs/day)

0.71 (0.0, 1.25)

0.88 (0.28, 2.21)

0.36 (-0.37, 1.58)

0.055

  1. *Paired analysis of those participating in first and second trimester data collection
  2. ‡ Recent Physical Activity Questionnaire[30]