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Table 1 Sociodemographic characteristics of the total cohort, the multimorbid and non-multimorbid samples (adjusted for the German population 2004)

From: Which chronic diseases and disease combinations are specific to multimorbidity in the elderly? Results of a claims data based cross-sectional study in Germany

  Total cohort Multimorbid sample Non-multimorbid sample p*
Number of persons 123,224 76,540 46,684  
% 100.0% 62.1% 37.9%  
Mean Age all (SD) 74.1 (7.1) 75.1 (7.2) 72.5 (6.7) < 0.001
Mean age men (SD) 72.7 (6.4) 73.7 (6.5) 71.3 (5.9) < 0.001
Mean age women (SD) 75.1 (7.5) 76.0 (7.5) 73.4 (7.2) < 0.001
Gender (% females) 59.2% 61.5% 55.3% < 0.001
Average number of chronic conditions (SD) 3.9 (3.2) 5.8 (2.6) 0.8 (0.9) < 0.001
Mean number men (SD) 3.6 (3.1) 5.7 (2.5) 0.7 (0.8) < 0.001
Mean number women (SD) 4.1 (3.2) 5.9 (2.6) 0.8 (0.9) < 0.001
Nursing care dependency all (% receiving services) 19.1% 23.2% 12.3%  
% males 14.2% 18.0% 8.8% < 0.001
% females 22.4% 26.5% 15.1% < 0.001
  1. SD = standard deviation;
  2. p* = statistical significance of the difference between the multimorbid and the non-multimorbid sample (t-tests were performed for comparison of means, and chi-square-tests for differences between percentages).