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Table 4 Change in physical activity levels between first and third trimesters (median, interquartile range)

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

  First trimester Third trimester Change first-third trimester p value
Accelerometry data:   n = 21   
Total recorded time (mins/day) 817 (787, 866) 778 (727, 840) -32.6 mins (-78.4, 9.2) 0.019
Sedentary time (mins/day) 670 (615, 701) 625 (547, 683) -23.6 mins (-58.9, 7.0) 0.017
Light activity (mins/day) 129 (102, 155) 120 (105, 164) 3.8 (-21.9, 17.6) 0.986
MVPA (mins/day) 33 (29, 55) 33 (28, 35) -8.4 mins (-21.7, 1.3) 0.050
Counts per minute 262 (213, 323) 247 (210, 287) -1.5 (-89.7, 26.5) 0.274
30+ mins/day MVPA (number)(%) 15 (71%) 15 (71%) -  
RPAQ data:   n = 27   
Total (METhrs/day) 26.0 (24.6, 28.0) 23.5 (22.5, 27.6) -1.85 (-4.40, 0.24) 0.027
Home (METhrs/day) 15.4 (13.3, 18.9) 20.5 (17.3, 21.9) 3.03 (0.72, 6.58) < 0.001
Transport (METhrs/day) 0.5 (0.2, 0.9) 0 (0.0, 0.1) -0.32 (-0.93, -0.06) < 0.001
Work (METhrs/day) 9.6 (5.7, 10.7) 0 (0.0, 6.9) -5.43 (-10.0, 0) < 0.001
Recreational (METhrs/day) 0.9 (0.4, 1.6) 1.1 (0.0, 3.0) 0.20 (-0.43, 1.29) 0.174
  1. Paired analysis of those participating in first and third trimester data collection
  2. Recent Physical Activity Questionnaire[30]