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Table 2 Results of the balance tests for the selected variables before and after matching

From: Relationship between the severity of agitation and quality of life in residents with dementia living in German nursing homes - a secondary data analysis

  Before Matching After Matching
  No/Mild Agitation Severe Agitation p a No/Mild Agitation Severe Agitation p a
Observations 1824 123   246 123  
Age, mean (SD) 83.6 (7.8) 80.5 (10.2) 0.007 81.1 (8.0) 80.5 (10.2) 0.528
Sex, male % (n) 22.3 (407) 31.7 (39) 0.022 30.5 (75) 31.7 (39) 0.905
DSS score, mean (SD) 9.4 (3.4) 10.5 (3.2) <0.001 10.5 (3.0) 10.5 (3.2) 0.921
Duration of stay, mean (SD) 34.9 (42.6) 27.9 (38.2) 0.060 27.4 (25.7) 27.9 (38.2) 0.416
Visits, no % (n) 3.2 (59) 6.5 (8) 0.095 6.1 (15) 6.5 (8) 1.000
Delusions, % (n) 16.0 (292) 45.5 (56) <0.001 45.5 (112) 45.5 (56) 1.000
Anxiety, % (n) 18.4 (335) 42.3 (52) <0.001 42.3 (104) 42.3 (52) 1.000
Hallucinations, % (n) 14.0 (225) 30.1 (37) <0.001 24.0 (59) 30.1 (37) 0.257
Aberrant Motor, % (n) 30.8 (562) 62.6 (77) <0.001 66.3 (163) 62.6 (77) 0.562
  1. aCalculated using chi-square tests or ks-tests; SD=standard deviation