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Table 1 Sedentary behavior and physical activity during the 2 nd and 3 rd trimester (n = 46)

From: Adherence to physical activity guidelines in mid-pregnancy does not reduce sedentary time: an observational study

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Gestation length (weeks)

P-value a

Week 18

Week 35

Nighttime sleep (hrs∙d−1)

6.8 ± 0.8

6.7 ± 0.7

0.51

Naps (min∙d−1)

13 ± 15

14 ± 14

0.66

Total sleep (hrs∙d−1)

7.0 ± 0.9

7.0 ± 0.7

0.6

Sedentary (excludes all sleep) (hrs∙d−1)

12.4 ± 1.7

12.9 ± 2.2

0.07

Time awake in sedentary behavior (%)

76 ± 11

78 ± 13

0.05

Light PA (hrs∙d−1)

3.1 ± 1.4

2.7 ± 1.5

0.05

Accumulated moderate PA (min∙d−1)

48 ± 42

46 ± 57

0.75

Accumulated vigorous PA (min∙d−1)

5 ± 10

2 ± 4

0.02

Moderate-vigorous PA in ≥ 10 minute bouts (min∙d−1)

32 ± 41

27 ± 43

0.1

Moderate-vigorous PA MET-minutes in ≥ 10 minute bouts (min∙d−1)

150 ± 197

113 ± 179

0.02

Total MET-minutes (∙d−1)

1841 ± 266

1747 ± 283

<0.001

  1. PA, physical activity; MET, metabolic equivalent of task. Significance was set at P < 0.05. Values reported as mean ± standard deviation. aPaired t-test.