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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

SenseWear® armband 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.