From: Dyadic approach to post-stroke hospitalizations: role of caregiver and patient characteristics
 | Reference category (if applicable) | IRR (95% CI) | P-value | aIRRa (95% CI) | P-value |
---|---|---|---|---|---|
CAREGIVER FACTORS | |||||
 Age (in years) |  | 0.996 (0.975, 1.017) | 0.708 |  |  |
 Gender | Male | 0.665 (0.367, 1.204) | 0.178 |  |  |
 Ethnicity | Non-Chinese | 0.944 (0.540, 1.650) | 0.839 |  |  |
 Marital Status | Single | 1.247 (0.606, 2.565) | 0.549 |  |  |
 Caregiver relationship | Spouse |  | 0.510 |  |  |
 Child |  | 1.300 (0.722, 2.341) |  | ||
 Sibling |  | 1.069 (0.255, 4.480) |  | ||
 Others |  | 0.314 (0.043, 2.308) |  | ||
 Comorbid Conditions | None |  | 0.103 |  |  |
  1 |  | 0.395 (0.154, 1.009) |  | ||
  2 |  | 1.500 (0.694, 3.240) |  | ||
  ≥ 3 |  | 0.614 (0.188, 1.998) |  | ||
 Co-residing with patient | No | 0.671 (0.315, 1.429) | 0.300 |  |  |
 Caring for multiple care recipients | No | 1.533 (0.880, 2.670) | 0.131 |  |  |
 Memory problems |  | 1.020 (0.977, 1.064) | 0.367 |  |  |
 Depressive behavior problems |  | 1.043 (0.995, 1.092) | 0.077 |  |  |
 Disruptive behavior problems |  | 1.047 (0.983, 1.114) | 0.152 |  |  |
 Oberst Caregiving Burden Scale |  | 1.011 (0.991, 1.032) | 0.289 |  |  |
 Zarit Burden Interview |  | 1.005 (0.971, 1.040) | 0.778 |  |  |
 Family conflict - Attitude towards patient |  | 0.958 (0.902, 1.017) | 0.157 |  |  |
 Family conflict - Attitude towards caregiver |  | 0.956 (0.899, 1.016) | 0.146 |  |  |
 Social support - FDW for general help | No | 0.410 (0.230, 0.731) | 0.002 | 0.342 (0.180, 0.651) | 0.001 |
 Social support - FDW for stroke patient | No | 2.374 (1.262, 4.467) | 0.007 |  |  |
 Social Support (perceived) |  | 1.020 (0.962¸ 1.081) | 0.508 |  |  |
 Care management strategies - Positive |  | 1.011 (0.985, 1.037) | 0.429 |  |  |
 Care management strategies - Negative |  | 1.041 (0.988, 1.096) | 0.134 |  |  |
PATIENT FACTORS | |||||
 Age (in years) |  | 0.982 (0.955, 1.009) | 0.180 |  |  |
 Gender | Male | 1.425 (0.815, 2.490) | 0.214 |  |  |
 Ethnicity | Non-Chinese | 1.277 (0.717, 2.274) | 0.407 |  |  |
 Marital Status | Single | 0.769 (0.402, 1.471) | 0.427 |  |  |
 Ward Class | Unsubsidized | 0.804 (0.319, 2.026) | 0.644 |  |  |
 CCI (during stroke onset) | 1–3 |  | 0.495 |  |  |
  4–6 |  | 1.244 (0.572, 2.706) |  | ||
  ≥ 7 |  | 1.702 (0.685, 4.232) |  | ||
 Stroke type | Non-ischemic | 0.405 (0.211, 0.774) | 0.006 |  |  |
 Recurrent stroke | No | 2.184 (1.193, 3.998) | 0.011 | 2.099 (1.136, 3.877) | 0.018 |
 National Institute of Health Scale | Mild (0–4) |  | 0.022 |  |  |
 Moderately severe (5–14) |  | 1.427 (0.785, 2.595) |  | ||
 Severe (15–24) |  | 3.295 (1.408, 7.714) |  | ||
 Modified Rankin Scale | No or slight disability (0–2) |  |  |  |  |
 Moderate or severe disability (3–5) |  | 1.979 (1.052, 3.723) | 0.034 |  |  |
 Mini-Mental State Examination | No cognitive impairment (24–30) |  | 0.197 |  |  |
 Mild cognitive impairment (18–23) |  | 1.398 (0.719, 2.717) |  |  | |
 Severe cognitive impairment (1–17) |  | 1.846 (0.935, 3.645) |  |  | |
 Discharge to Community Hospital (step-down facility) | No | 1.514 (0.843, 2.718) | 0.165 |  |  |
 Centre for Epidemiological Studies Depression Scale |  | 1.020 (0.971, 1.072) | 0.427 |  |  |