Table 2

Covariates for modelling

VariableScaleRange/levels
Sociodemographic
AgeContinuous65–105 years
SexCategoricalFemale, male
EducationCategorical<High school
Completed high school
Technical or trade school
Some college and ≥Bachelor’s
Unknown
Health stability
Weight loss of 5% or more in the last 30 days, or 10% or more in the last 180 daysCategorical0=No
1=Yes
9=Unknown
Weight gain of 5% or more in the last 30 days, or 10% or more in the last 180 daysCategorical0=No
1=Yes
9=Unknown
CHESS scoreDiscrete0–5
Hip fracture in last 180 daysBinary0=No
1=Yes
Fell in the past 30 daysBinary0=No
1=Yes
Comorbidities
DementiaDichotomousYes, no
DeliriumDichotomousYes, no
Emphysema/COPDDichotomousYes, no
CancerDichotomousYes, no
Kidney failureDichotomousYes, no
Congestive heart failureDichotomousYes, no
Arteriosclerotic heart diseaseDichotomousYes, no
DepressionDichotomousYes, no
AnxietyDichotomousYes, no
Pressure ulcerDichotomousYes, no
StrokeDichotomousYes, no
Seizure disorderDichotomousYes, no
AnaemiaDichotomousYes, no
Parkinson’s diseaseDichotomousYes, no
Multiple sclerosisDichotomousYes, no
Oxygen therapyDichotomousYes, no
Kidney dialysisDichotomousYes, no
IncontinenceDichotomousYes, no
Number of chronic conditionsDiscrete0–18
Medications
Antipsychotic: the number of days during the last 7 daysCategorical0, 1, 2+
Number of medicationsDiscrete0–13
Other functions
BMIContinuous0–40 kg/m2
Pain scaleDiscrete0–3
Vision impairmentCategoricalAdequate, impaired, moderately impaired, highly impaired, severely impaired
Hearing impairmentCategoricalAdequate, impaired, moderately impaired, highly impaired, severely impaired
Index of Social EngagementDiscrete0–6
Depression Rating ScaleDiscrete0–14
CPS scoreDiscrete0–6
ADL—Self-Performance Hierarchy Scale ScoreDiscrete0–6
  • ADL, activities of daily living; BMI, body mass index; CHESS, Changes in Health, End-Stage Disease and Signs and Symptoms; COPD, chronic obstructive pulmonary disease; CPS, Cognitive Performance Scale.