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Table 2 Comparison of PA between early and mid-to-late pregnancy among Chinese pregnant women (n = 2485)

From: Changes in physical activity across pregnancy among Chinese women: a longitudinal cohort study

PA indicators

Early pregnancy

Mid-to-late pregnancy

P value

Mean (SD)

Median (IQR)

Mean (SD)

Median (IQR)

TEE on PA (MET min/week)

791.93 (1057.56)

396.00 (66.00, 1152.00)

1193.14 (1283.51)

813.00 (356.40, 1411.00)

 < 0.001

High-intensity PA

     

Energy expenditure (MET min/week)

43.24 (327.85)

0.00 (0.00, 0.00)

86.16 (506.34)

0.00 (0.00, 0.00)

 < 0.001

Proportion due to TEE on PA (%)

2.46 (11.79)

0.00 (0.00, 0.00)

2.96 (12.54)

0.00 (0.00, 0.00)

 < 0.001

Medium-intensity PA

     

Energy expenditure (MET min/week)

73.02 (316.18)

0.00 (0.00, 0.00)

124.45 (429.27)

0.00 (0.00, 0.00)

 < 0.001

Proportion due to TEE on PA (%)

5.39 (16.04)

0.00 (0.00, 0.00)

7.03 (17.09)

0.00 (0.00, 0.00)

 < 0.001

Walking

     

Energy expenditure (MET min/week)

675.66 (862.19)

396.00 (49.50, 990,00)

982.53 (929.47)

693.00 (297.00, 1386.00)

 < 0.001

Proportion due to TEE on PA (%)

92.15 (20.83)

100.00 (100.00, 100.00)

90.00 (22.06)

100.00 (100.00, 100.00)

 < 0.001

  1. The Wilcoxon signed-rank test was used to compare PA indicators between early and mid-to-late pregnancy. A P value < 0.05 was considered significant