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Table 3 Women who met versus did not meet physical activity guidelines a during 2 nd and 3 rd trimester

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

SenseWear® armband Met PA guidelines a Did not meet PA guidelines a P-value b
Week 18 n = 21 n = 25  
Total sleep (includes nighttime sleep and naps) (hrs∙d−1) 7.0 ± 0.7 7.1 ± 1.0 0.82
Sedentary (hrs∙d−1) 11.8 ± 1.7 12.9 ± 1.5 0.03
Light PA (hrs∙d−1) 3.3 ± 1.3 3.0 ± 1.4 0.46
Total MET minutes (∙d−1) 1981 ± 282 1724 ± 187 <0.001
Week 35 n = 13 n = 33  
Total sleep (includes nighttime sleep and naps) (hrs∙d−1) 6.8 ± 0.7 7.0 ± 0.7 0.46
Sedentary (hrs∙d−1) 11.5 ± 2.2 13.4 ± 1.9 0.005
Light PA (hrs∙d−1) 3.3 ± 1.1 2.5 ± 1.5 0.09
Total MET-minutes (∙d−1) 1999 ± 314 1647 ± 199 <0.001
  1. Significance was set at P < 0.0125. Values reported as mean ± standard deviation; PA: physical activity.
  2. a2008 Department of Health and Human Services prenatal physical activity guidelines; bIndependent t-tests with Bonferroni adjustment for multiple comparisons.