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Table 1 Physical characteristics of participants in both non-snowy and snowy seasons

From: Impact of season on the association between muscle strength/volume and physical activity among community-dwelling elderly people living in snowy-cold regions

  Non-snowy season Snowy season P
Total Male Female Total Male Female
Number of participants 50 13 37 29 8 21
Age 77.8 ± 5.3 79.5 ± 5.3 77.2 ± 5.3 78.4 ± 5.8 80.6 ± 5.5 77.5 ± 5.8 .65
BMI 24.5 ± 3.1 25.0 ± 2.8 24.3 ± 3.2 25.6 ± 3.5 26.8 ± 2.3 25.1 ± 3.8 .16
SMI 6.4 ± 1.0 7.4 ± 0.8 6.1 ± 0.8 6.6 ± 0.9 7.6 ± 0.6 6.2 ± 0.7 .43
CS-30 15.4 ± 4.3 13.3 ± 3.7 16.1 ± 4.3 15.6 ± 5.4 12.6 ± 4.5 16.8 ± 5.4 .86
Daily step counts 6.5 ± 3.2 4.6 ± 2.2 7.2 ± 3.2 4.2 ± 2.0 3.7 ± 2.3 4.4 ± 1.9 < .01
  1. Daily step counts are displayed in units of 1000. P values are between both seasons among all participants
  2. BMI body mass index, SMI skeletal muscle mass index, CS-30 30-s chair-stand test