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Table 1 Characteristics of participants by country

From: Osteoarthritis and frailty in elderly individuals across six European countries: results from the European Project on OSteoArthritis (EPOSA)

  Overall Country
N = 2455 GER NL IT SP SW UK
N = 336 N = 483 N = 319 N = 457 N = 450 N = 410
Age (years)a Mean (SD) 74.0 ± 5.0 74.1 ± 4.9 74.9 ± 5.6 72.8 ± 5.0 74.6 ± 5.4 71.9 ± 4.9 75.2 ± 2.6
% [95% CI] % [95% CI] % [95% CI] % [95% CI] % [95% CI] % [95% CI] % [95% CI]
Gender femalea 50.8(48.8-52.8) 39.6(34.4-44.8) 54.9(50.5-59.3) 50.8(45.3-56.3) 47.5(42.9-52.1) 58.7(54.2-63.2) 50.2(45.4-55.0)
Education (≤ elementary) 42.1(40.1-44.1) 48.4(43.1-53.7) 24.4(20.6-28.2) 74.9(70.1-79.7) 71.1(66.9-75.3) 21.9(18.1-25.7) 20.9(17.0-24.8)
Obesity (BMI ≥ 30) 28.6(26.8-30.4) 45.3(40.0-50.6) 26.4(22.5-30.3) 25.4(20.6-30.2) 34.4(30.0-38.8) 16.1(12.7-19.5) 29.0(24.6-33.4)
Comorbidity (≥2 diseases) 27.5(25.7-29.3) 27.4(22.6-32.2) 23.8(20.0-27.6) 33.7(28.5-38.9) 33.2(28.9-37.5) 20.8(17.0-24.6) 28.9(24.5-33.3)
  1. Weighted data to the European standard population in 2010 excepta
  2. P-value <0.001 in all variables between countries