Table 1

Average sample characteristics in the imputed data sets, stratified by country

Country
Czech RepublicRussiaPoland
Total8773930110 709
Age (years, %)
 45–4916.917.018.5
 50–5419.819.520.7
 55–5919.121.621.0
 60–6423.019.019.9
 65–6921.222.919.9
Sex (%)
 Men46.445.648.7
 Women53.654.451.3
PF-10 score
 Baseline
  Mean83.481.880.4
  SD18.920.421.4
 Re-examination
  Mean81.979.774.0
  SD18.222.421.3
 PQ2009
  Mean78.668.870.9
  SD23.027.627.0
 PQ2012
  Mean77.463.965.7
  SD24.229.627.5
Education (%)
 <Secondary education49.836.932.7
 Secondary education36.534.238.7
 University13.728.928.5
Material condition
 Mean6.85.76.4
 SD2.32.12.2
 1st tertile
  Mean4.73.94.0
  SD1.21.01.1
  %43.649.335.4
 2nd tertile
  Mean7.56.46.8
  SD0.50.50.8
  %31.529.440.6
 3rd tertile
  Mean9.88.89.3
  SD1.00.91.0
  %24.921.424.0
Marital status (%)
 Married/cohabiting75.772.476.3
 Single/divorced/widowed24.327.623.7
Spine/joint problems (%)
 No44.034.630.6
 Yes, never hospitalised43.056.061.1
 Yes, hospitalised13.09.48.4
BMI (%)
 <25.024.227.525.5
 25.0–29.944.037.543.2
 ≥30.031.835.131.3
Drinking pattern (%)
 Non-drinking13.015.834.4
 Irregular light-to-moderate31.842.831.6
 Regular light-to-moderate19.710.314.7
 Irregular heavy26.221.415.8
 Regular heavy9.39.73.4
Smoking (%)
 Never43.958.139.6
 Former29.513.628.2
 Current26.628.232.2
  • BMI, body mass index; PF-10, physical functioning subscale (10 item).