Variable | Reference category | Primary care visits (0 - 3 months) | |||
---|---|---|---|---|---|
IRR (95% CI) | P-value | aIRRa (95% CI) | P-value | ||
Caregiver factors | |||||
 Age (in years) |  | 1.013 (1.002, 1.023) | 0.017 |  |  |
 Gender | Male | 0.845 (0.628, 1.136) | 0.264 |  |  |
 Ethnicity | Non-Chinese | 1.195 (0.912, 1.567) | 0.197 |  |  |
 Marital status | Single | 0.917 (0.671, 1.254) | 0.589 |  |  |
 Caregiver relationship | Spouse |  | 0.443 |  |  |
 Adult-child |  | 0.809 (0.594, 1.101) |  |  | |
 Sibling |  | 0.641 (0.283, 1.451) |  |  | |
 Others |  | 0.943 (0.554, 1.605) |  |  | |
 Comorbid conditions | None |  | 0.829 |  |  |
  1 |  | 0.856 (0.610, 1.202) |  |  | |
  2 |  | 0.924 (0.578, 1.477) |  |  | |
  ≥3 |  | 1.008 (0.631, 1.611) |  |  | |
 Co-residing with patient | No | 1.290 (0.815, 2.043) | 0.277 |  |  |
 Caring for multiple care recipients | No | 0.947 (0.724, 1.238) | 0.691 |  |  |
Revised memory and behavior checklist | |||||
 Memory problems |  | 0.937 (0.910, 0.965) | <0.001 | 0.954 (0.919, 0.990) | 0.013 |
 Depressive behavior problems |  | 0.959 (0.927, 0.992) | 0.015 |  |  |
 Disruptive behavior problems |  | 0.981 (0.943, 1.020) | 0.333 |  |  |
Caregiver burden | |||||
 Oberst caregiving burden scale |  | 0.972 (0.960, 0.984) | <0.001 | 0.976 (0.959, 0.993) | 0.005 |
 Zarit burden interview |  | 0.994 (0.977, 1.012) | 0.523 |  |  |
Family conflict | |||||
 Attitude towards patient |  | 0.971 (0.943, 0.999) | 0.041 |  |  |
 Attitude towards caregiver |  | 0.966 (0.938, 0.995) | 0.021 |  |  |
Social support (instrumental) | |||||
 FDW for general help | No | 1.599 (1.076, 2.376) | 0.020 |  |  |
 FDW for stroke patient | No | 0.455 (0.265, 0.781) | 0.004 |  |  |
 Social support (perceived) |  | 1.011 (0.984, 1.039) | 0.427 |  |  |
Care management strategies | |||||
 Positive strategies |  | 0.981 (0.969, 0.993) | 0.002 |  |  |
 Negative strategies |  | 0.995 (0.966, 1.024) | 0.737 |  |  |
Patient factors | |||||
 Age (in years) |  | 1.001 (0.989, 1.014) | 0.827 |  |  |
 Gender | Male | 0.853 (0.643, 1.130) | 0.268 |  |  |
 Ethnicity | Non-Chinese | 1.094 (0.836, 1.431) | 0.515 |  |  |
 Marital status | Single | 1.254 (0.878, 1.792) | 0.214 |  |  |
 Ward class | Unsubsidized | 1.437 (0.820, 2.516) | 0.205 |  |  |
 CCI | 1 - 3 |  | 0.593 |  |  |
 4 - 6 |  | 1.202 (0.844, 1.711) |  |  | |
 >= 7 |  | 1.175 (0.749, 1.842) |  |  | |
 Stroke type | Non-ischemic | 2.451 (1.337, 4.493) | 0.004 | 2.327 (1.110, 4.876) | 0.025 |
 Recurrent stroke | No | 0.827 (0.566, 1.209) | 0.327 |  |  |
 National Institute of Health Scale | Mild (0-4) |  | <0.001 |  |  |
 Moderately severe (5-14) |  | 0.594 (0.443, 0.797) |  |  | |
 Severe (15-24) |  | 0.266 (0.098, 0.716) |  |  | |
 Modified rankin scale | No or slight disability (0-2) |  |  |  |  |
 Moderate or severe disability (3-5) |  | 0.602 (0.462, 0.784) | <0.001 |  |  |
 Mini-mental state examination | No cognitive impairment (24-30) |  | <0.001 |  |  |
 Mild cognitive impairment (18-23) |  | 0.696 (0.503, 0.965) |  |  | |
 Severe cognitive impairment (1-17) |  | 0.422 (0.265, 0.671) |  |  | |
 Discharge to community hospital | No | 0.569 (0.398, 0.813) | 0.002 |  |  |
 Centre for epidemiological studies depression scale |  | 1.008 (0.985, 1.032) | 0.495 |  |  |