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Table 1 Characteristics of study participants including sex differences (n = 100)

From: Association of physical fitness with quality of life in community-dwelling older adults aged 80 and over in Poland: a cross-sectional study

Feature Women (N = 67) Men (N = 33) Student’s t-test
M SD M SD t p 1-β
Age [years] 82.9 2.7 83.0 3.4 −0.14 0.887  
Height [cm] 157.9 5.5 170.1 4.8 −10.76 < 0.001 1.000
Body mass [kg] 68.5 9.9 77.4 8.3 −4.43 < 0.001 0.994
BMI [kg/m2] 27.46 3.85 26.77 2.77 0.92 0.358  
  1. Abbreviations: BMI body mass index, N number of participants, M mean, SD standard deviation, t t-quantile, p statistical significance, 1-β power of the test
  2. Notes: *values in bold indicate statistical significance (p < 0.05)