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Table 3 Logistic regression models of continuity of care on potentially avoidable hospitalizations (PAH) in patients with dementia

From: Effects of continuity of care on hospitalizations and healthcare costs in older adults with dementia

Variables

DM short-term complications

(n = 19,702)

DM long-term complications

(n = 19,702)

Hypertension

(n = 36,624)

COPD/Asthma

(n = 7,602)

Heart failure

(n = 5,606)

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Patient characteristics

 High COCI (ref: Low COCI)a

0.846

(0.676–1.059)

0.930

(0.814 ~ 1.062)

0.819

(0.399 ~ 1.684)

0.986

(0.851 ~ 1.143)

1.063

(0.912 ~ 1.239)

 Age

1.017

(1.000 ~ 1.034)

0.999

(0.989 ~ 1.009)

1.007

(0.954 ~ 1.064)

1.035

(1.024 ~ 1.047)

1.034

(1.022 ~ 1.046)

 Male (ref: Female)

0.991

(0.787 ~ 1.247)

1.213

(1.060 ~ 1.388)

0.569

(0.251 ~ 1.290)

1.536

(1.320 ~ 1.787)

1.080

(0.923 ~ 1.263)

 CCI score

  0

1.000

  

1.000

      

  1

1.379

(0.744 ~ 2.557)

1.105

(0.697 ~ 1.752)

0.675

(0.259 ~ 1.763)

1.000

 

1.000

 

  ≧2

1.776

(0.974 ~ 3.240)

2.488

(1.608 ~ 3.850)

0.827

(0.328 ~ 2.086)

0.852

(0.713 ~ 1.018)

1.085

(0.874 ~ 1.347)

 Residence location (ref: North)

  Central

1.068

(0.806 ~ 1.416)

1.017

(0.862 ~ 1.200)

0.979

(0.399 ~ 2.402)

1.129

(0.939 ~ 1.358)

1.092

(0.901 ~ 1.324)

  Southern

1.028

(0.779 ~ 1.355)

0.826

(0.699 ~ 0.977)

0.666

(0.251 ~ 1.769)

0.927

(0.768 ~ 1.118)

1.136

(0.934 ~ 1.383)

  Eastern/offshore

1.744

(1.012 ~ 3.006)

0.834

(0.549 ~ 1.266)

3.065

(0.863 ~ 10.882)

1.520

(1.068 ~ 2.164)

1.621

(1.133 ~ 2.319)

 Previous year healthcare use

  OPD visits

0.995

(0.990 ~ 1.000)

1.004

(1.001 ~ 1.006)

1.010

(0.999 ~ 1.021)

1.002

(0.999 ~ 1.004)

1.003

(1.000 ~ 1.005)

  Admission (ref: No admission)

1.412

(1.115 ~ 1.787)

1.733

(1.509 ~ 1.990)

0.373

(0.146 ~ 0.950)

2.237

(1.905 ~ 2.626)

1.475

(1.250 ~ 1.740)

Facility characteristics

 Hospital accreditation level (ref: Medical center)

  Regional

1.329

(0.992 ~ 1.780)

1.193

(1.005 ~ 1.416)

1.971

(0.698 ~ 5.566)

1.139

(0.929 ~ 1.396)

1.15

(0.947 ~ 1.395)

  District

1.171

(0.816 ~ 1.680)

1.482

(1.218 ~ 1.803)

1.478

(0.423 ~ 5.166)

1.478

(1.188 ~ 1.838)

0.983

(1.778 ~ 1.242)

  Clinic

1.321

(0.928 ~ 1.881)

0.839

(0.667 ~ 1.055)

1.501

(0.466 ~ 4.828)

0.924

(0.720 ~ 1.186)

0.662

(0.503 ~ 0.872)

 Hospital Ownership (ref: Public)

  Private

1.409

(1.099 ~ 1.805)

0.871

(0.758 ~ 0.999)

1.681

(0.738 ~ 3.825)

1.181

(1.012 ~ 1.380)

1.014

(0.865 ~ 1.189)

  1. COCI Continuity of care index, CCI Charlson Comorbidity Index, OPD Outpatient department, DM Diabetes, COPD Chronic obstructive pulmonary disease, OR Odds ratio, CI Confidence interval, ref Reference group. aLow COCI: COCI < 1; High COCI: COCI = 1
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BMC Geriatrics

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