Variable | Reference category | SOC Visits (0 - 3 months) | |||
---|---|---|---|---|---|
IRR (95% CI) | P-value | aIRRa (95% CI) | P-value | ||
Caregiver factors | |||||
 Age (in years) |  | 0.999 (0.992, 1.006) | 0.780 |  |  |
 Gender | Male | 1.187 (0.951, 1.483) | 0.130 |  |  |
 Ethnicity | Non-Chinese | 0.992 (0.827, 1.191) | 0.934 |  |  |
 Marital status | Single | 0.975 (0.784, 1.213) | 0.820 |  |  |
 Caregiver relationship | Spouse |  | 0.380 |  |  |
 Adult-child |  | 0.959 (0.782, 1.175) |  |  | |
 Sibling |  | 0.946 (0.588, 1.522) |  |  | |
 Others |  | 0.680 (0.441, 1.049) |  |  | |
 Comorbid conditions | None |  | 0.857 |  |  |
  1 |  | 1.021 (0.818, 1.274) |  |  | |
  2 |  | 0.875 (0.626, 1.223) |  |  | |
  ≥3 |  | 0.955 (0.683, 1.335) |  |  | |
 Co-residing with patient | No | 1.269 (0.927, 1.736) | 0.137 |  |  |
 Caring for multiple care recipients | No | 0.977 (0.813, 1.175) | 0.807 |  |  |
Revised memory and behavior checklist | |||||
 Memory problems |  | 1.005 (0.990, 1.020) | 0.486 |  |  |
 Depressive behavior problems |  | 1.018 (1.001, 1.036) | 0.040 |  |  |
 Disruptive behavior problems |  | 1.004 (0.979, 1.028) | 0.773 |  |  |
Caregiver burden | |||||
 Oberst caregiving burden scale |  | 1.004 (0.997, 1.011) | 0.308 |  |  |
 Zarit burden interview |  | 0.997 (0.986, 1.009) | 0.670 |  |  |
Family conflict | |||||
 Attitude towards patient |  | 1.011 (0.991, 1.032) | 0.295 |  |  |
 Attitude towards caregiver |  | 1.013 (0.992, 1.034) | 0.233 |  |  |
Social support (instrumental) | |||||
 FDW for general help | No | 1.016 (0.805, 1.282) | 0.894 |  |  |
 FDW for stroke patient | No | 1.085 (0.835, 1.409) | 0.544 |  |  |
 Social support (perceived) |  | 0.984 (0.966, 1.002) | 0.076 |  |  |
Care management strategies | |||||
 Positive strategies |  | 0.996 (0.988, 1.005) | 0.396 |  |  |
 Negative strategies |  | 1.008 (0.988, 1.027) | 0.443 |  |  |
Patient factors | |||||
 Age (in years) |  | 0.994 (0.985, 1.002) | 0.156 |  |  |
 Gender | Male | 1.027 (0.851, 1.240) | 0.778 |  |  |
 Ethnicity | Non-Chinese | 0.961 (0.801, 1.154) | 0.670 |  |  |
 Marital status | Single | 1.011 (0.804, 1.271) | 0.926 |  |  |
 Ward class | Unsubsidized | 1.111 (0.787, 1.567) | 0.550 |  |  |
 CCI | 1 - 3 |  | 0.086 |  |  |
 4 - 6 |  | 1.137 (0.891, 1.451) |  |  | |
 >= 7 |  | 1.387 (1.032, 1.865) |  |  | |
 Stroke type | Non-ischemic | 0.796 (0.613, 1.034) | 0.088 |  |  |
 Recurrent stroke | No | 1.308 (1.045, 1.637) | 0.019 |  |  |
 National Institute of Health Scale | Mild (0-4) |  | 0.021 |  |  |
 Moderately severe (5-14) |  | 0.779 (0.639, 0.948) |  |  | |
 Severe (15-24) |  | 1.151 (0.799, 1.658) |  |  | |
 Modified rankin scale | No or slight disability (0-2) |  |  |  |  |
 Moderate or severe disability (3-5) |  | 1.081 (0.898, 1.301) | 0.411 |  |  |
 Mini-mental state examination | No cognitive impairment (24-30) |  | 0.756 |  |  |
 Mild cognitive impairment (18-23) |  | 1.034 (0.835, 1.280) |  |  | |
 Severe cognitive impairment (1-17) |  | 0.928 (0.721, 1.196) |  |  | |
 Discharge to community hospital | No | 0.952 (0.771, 1.175) | 0.646 |  |  |
 Centre for epidemiological studies depression scale |  | 1.010 (0.994, 1.027) | 0.208 |  |  |