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Table 1 Interaction effects for Intervention (HOME vs Standard Care) by characteristics of at-risk subgroups at 3 months*

From: Supporting at-risk older adults transitioning from hospital to home: who benefits from an evidence-based patient-centered discharge planning intervention? Post-hoc analysis from a randomized trial

 Interaction 
Dependent VariablesTreatment EffectsEstimate95%CI**p
Independence in ADLs
 NEADL scale
  Physical characteristics
   Comorbidities a
    Higher (score 6 to 9)0.0230.304(−1.468, 2.077)0.736
    Lower (score < 5)− 0.281   
   Ability to walk b
    With Difficulty (score 5–6)−1.115−1.816(−3.573, − 0.59)0.043
    Without Difficulty (score 7)0.701   
  Psychological characteristics
   Cognitive status c
    Mildly impaired (3–4 errors)0.0340.287(−2.353, 2.927)0.831
    Unimpaired (0 to 2 errors)−0.253   
  Social characteristics
   Living alone
    yes−0.879−1.279(−3.030, 0.471)0.152
    no0.400   
   Support from family
    no0.2640.726(−1.020, 2.472)0.414
    yes−0.462   
Participation in life roles
 Late life disability Index
  Frequency
   Physical characteristics
    Comorbidities
     Higher (score 6 to 9)0.3591.126(−2.643, 4.896)0.557
     Lower (score < 5)−0.767   
    Ability to walk
     With Difficulty (score 5–6)− 0.837−0.925(−4.617, 2.766)0.622
     Without Difficulty (score 7)0,088   
   Psychological characteristics
    Cognitive status
     Mildly impaired (3–4 errors)−2.961−2.989(−8.535, 2.557)0.290
     Unimpaired (0 to 2 errors)0.028   
   Social characteristics
    Living alone
     yes−0.469−0.228(−3.888, 3.433)0.903
     no−0.241   
    Support from family
     no0.6981.77(−1.896, 5.437)0.343
     yes−1.072   
 Late life disability Index
  Limitation
   Physical characteristics
    Comorbidities
     Higher (score 6 to 9)−0.742−0.997(−6.634, 4.640)0.728
     Lower (score < 5)0.255   
    Ability to walk    
     With Difficulty (score 5–6)−1.348−3.25(−8.719, 2.218)0.243
     Without Difficulty (score 7)1.902   
   Psychological characteristics
    Cognitive status
     Mildly impaired (3–4 errors)−4.492−5.457(−13.524, 2.610)0.184
     Unimpaired (0 to 2 errors)0.965   
   Social characteristics
    Living alone
     yes−0.465−0.914(−6.281, 4.454)0.738
     no0.449   
    Support from family
     no3.5136.474(1.081, 11.866)0.019
     yes−2.962   
Number of re-hospitalizations
 Unplanned
  Physical characteristics
   Comorbidities
    Higher (score 6 to 9)0,074−0.014(−0.314, 0.286)0.928
    Lower (score < 5)0.088   
   Ability to walk
    With Difficulty (score 5–6)0.1840.238(−0.073, 0.548)0.134
    Without Difficulty (score 7)−0,054   
  Psychological characteristics
   Cognitive status
    Mildly impaired (3–4 errors)−0.548−0.692(−1.138, − 0.245)0.003
    Unimpaired (0 to 2 errors)0.144   
  Social characteristics
   Living alone
    yes0.037−0.036(−0.334, 0.261)0.810
    no0.073   
   Support from family
    no0.01−0.068(−0.368, 0.231)0.653
    yes0.078   
Number of ED visits
Physical characteristics
  Comorbidities
   Higher (score 6 to 9)0.017−0.129(−0.452, 0.194)0.432
   Lower (score < 5)0.146   
  Ability to walk    
   With Difficulty (score 5–6)0.1280.187(−0.146, 0.521)0.270
   Without Difficulty (score 7)−0.059   
Psychological characteristics
  Cognitive status
   Mildly impaired (3–4 errors)−0.447−0.564(−1.041, − 0.087)0.021
   Unimpaired (0 to 2 errors)0.117   
Social characteristics
  Living alone
   yes−0.011−0.093(−0.415, 0.230)0.572
   no0.082   
  Support from family
   no0.030.012(−0.310, 0.333)0.942
   yes0.018    
  1. *Linear regression models (ANCOVA for independence in ADL and participation in life roles)
  2. **CI: confidence interval
  3. aAge-adjusted Charlson Comorbidity Index
  4. bFunctional Independence Measure score (locomotion item)
  5. cShort Portable Mental Status Questionnaire
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