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Table 3 Description and means (± standard deviation) of physical performance and physical activity (PA) scores in different settings, and Pearson correlation coefficients

From: Assessing physical performance and physical activity in large population-based aging studies: home-based assessments or visits to the research center?

 Home settingStandardized settingCorrelation
DescriptionTotalMean ± SDDescriptionTotalMean ± SDNR
Walking speed (m/s)• Assessment: test during HI
• Distance: 3 m and > 60 cm for deceleration
• Device: stopwatch
9950.96 ± 0.3• Assessment: test in RC corridor
• Distance: 10 m and 5 m for acceleration and deceleration
• Device: photocells
8981.3 ± 0.28920.69***
Handgrip strength (N)• Assessment: test during HI
• Device: hand-held dynamometer
• Protocol: 3–5 maximal contractions with 30s time interval
993305.5 ± 103.1• Assessment: test in RC
• Device: chair-fixed dynamometer
• Protocol: ≥3 maximal contractions with 1 min time interval
901287.9 ± 100.08880.85***
PA of at least moderate intensity (min/day)• Assessment: questionnaire during HI
• Definition: walking, and vigorous intensity PA
• Data: month prior to HI
99140.8 ± 27.4• Assessment: trunk-worn accelerometer
• Definition: moderate and vigorous intensity PA
• Data: ≥3 full days between HI and RC assessments
44128.5 ± 23.54350.42***
Total upright posture (min/day)• Assessment: questionnaire during HI
• Definition: standing, moving around, walking, and vigorous intensity PA
• Data: month prior to HI
988347.3 ± 150.7• Assessment: thigh-worn accelerometer
• Definition: upright position
• Data: ≥3 full days between HI and RC assessments
486333.8 ± 103.04800.30***
  1. HI Home Interview, RC Research Center
  2. ***p < .001