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Table 4 Differences between accelerometer SWA and Smartwatch, Fitbit, Smartphone (Android) and Smartphone (iOS) on measuring daily physical activities

From: New strategies of physical activity assessment in cystic fibrosis: a pilot study

 Variables    P-value
  SenseWear Armband SmartWatch  
Active energy expenditure, Kcal 1197.8± 719.0 2025.8±1337.7 <0.001
Steps, number/day 9478.5±5251.1 14359.9± 8642.8 0.007
Duration Physical Activity, min/day 237± 129 311.7±199.3 < 0.007
  SenseWear Armband Fitbit  
Active energy expenditure, Kcal 1302.2±458.4 1076.6±1281.5 0,143
Steps, number/day 7008.7±3945.1 7461.1±3482.0 0,605
Duration Physical Activity, min/day 382 ±157 70.2±48.7 <0.001
  SenseWear Armband Smartphone (Android)  
Active energy expenditure, Kcal 1428.1±849.5 287.3±263.7 <0.001
Steps, number/day 9941.7±7056.2 8083.81±7683.5 <0.001
Duration Physical Activity, min/day 328±171 71.8±70.4 <0.001
  SenseWear Armband Smartphone (iOS)  
Active energy expenditure, Kcal 692.7±323.0 173.8±161.1 <0.001
Steps, number/day 4512.9±3683.9 4937.2±4057.4 0.911
Duration Physical Activity, min/day 159±70 54.2±50.8 <0.001
  1. *P<0.05, differences between activity data reported by SenseWear Armband andSmartwatch, Fitbit, Smartphone (Android) and Smartphone (iOS)
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