Table 3 Description and means (± standard deviation) of physical performance and physical activity (PA) scores in different settings, and Pearson correlation coefficients
| Â | Home setting | Standardized setting | Correlation | |||||
|---|---|---|---|---|---|---|---|---|
Description | Total | Mean ± SD | Description | Total | Mean ± SD | N | R | |
Walking speed (m/s) | • Assessment: test during HI • Distance: 3 m and > 60 cm for deceleration • Device: stopwatch | 995 | 0.96 ± 0.3 | • Assessment: test in RC corridor • Distance: 10 m and 5 m for acceleration and deceleration • Device: photocells | 898 | 1.3 ± 0.2 | 892 | 0.69*** |
Handgrip strength (N) | • Assessment: test during HI • Device: hand-held dynamometer • Protocol: 3–5 maximal contractions with 30s time interval | 993 | 305.5 ± 103.1 | • Assessment: test in RC • Device: chair-fixed dynamometer • Protocol: ≥3 maximal contractions with 1 min time interval | 901 | 287.9 ± 100.0 | 888 | 0.85*** |
PA of at least moderate intensity (min/day) | • Assessment: questionnaire during HI • Definition: walking, and vigorous intensity PA • Data: month prior to HI | 991 | 40.8 ± 27.4 | • Assessment: trunk-worn accelerometer • Definition: moderate and vigorous intensity PA • Data: ≥3 full days between HI and RC assessments | 441 | 28.5 ± 23.5 | 435 | 0.42*** |
Total upright posture (min/day) | • Assessment: questionnaire during HI • Definition: standing, moving around, walking, and vigorous intensity PA • Data: month prior to HI | 988 | 347.3 ± 150.7 | • Assessment: thigh-worn accelerometer • Definition: upright position • Data: ≥3 full days between HI and RC assessments | 486 | 333.8 ± 103.0 | 480 | 0.30*** |