Table 3

Outcome measures to be collected at various time points in the study

OutcomeMeasureHypothesisAnalysisT0T1T2
Primary outcome
Drug burdenDBI*DecreasePaired t-test/WSR* testxxx
Secondary outcomes
Quality of health measures, cognition and adverse effects
 Quality of lifeEQ-5D-5L*Remain the same/improvePaired t-test/WSR* testxx
 CognitionInterRAI-LTCF*Remain the same or deterioratePaired t-test/WSR* testxxx
 Adverse effects caused by psychotropicsUKU-SERS*DecreasePaired t-test/WSR* testxxx
 Number of falls in the past 6 monthsResident recordsRemain the same or decreasePaired t-test/WSR* testxx
Specific morbidities
 DepressionGDS
InterRAI-DRS
Remain the samePaired t-test/WSR* testxxx
 PainInterRAI Pain ScaleRemain the same or be improvePaired t-test/WSR* testxx
 Aggressive behaviourInterRAI Aggressive Behaviour ScaleRemain the same or improvePaired t-test/WSR* testxx
Deprescribing recommendations
 Proportion of recommendations taken up by GPsχ2
 Proportion of recommendations taken up by patientsχ2
Medicines
 Change in the mean number of medicines prescribedRemain the same or decreasePaired t-test/WSR* testxx
  • DBI, Drug Burden Index; DRS, Depression Rating Scale; EQ-5D-5L, EuroQoL 5-dimension 3-level descriptive system of health-related quality of life; GDS, Geriatric Depression Scale; GP, general practitioner; InterRAI-LTCF, an assessment system that informs and guides comprehensive care and service planning and can be used to assess persons with chronic needs for care; LTCF, Long Term Care Facilities; T0, participant enrolment time; T1, 3 months after participant enrolment; T2, 6 months after participant enrolment; UKU-SERS, UKU-Side Effect Rating Scale is a scale that documents unwanted effects of psychotropics using a semistructured interview; WSR, Wilcoxon signed-rank test.