Table 4.
Interobserver reliability (Cohen's Kappa statistics).
| Theoretical construct and facets | Observer 1 Mean [SD] |
Observer 2 Mean [SD] |
Kappa | Strength of agreement |
|---|---|---|---|---|
| Chronic conditions | ||||
| Diseases and other health problems | 1.61 [0.86] | 1.61 [0.86] | 1 | Nearly perfect agreement |
| Depression | 1.92 [0.88] | 1.83 [0.83] | 0.784 | Moderate agreement |
|
| ||||
| Health care utilization | ||||
| Frequency of hospital visits in last one year | 0.98 [1.46] | 0.97 [1.39] | 0.921 | Substantial agreement |
| Frequency of inpatient admission in last one year | 0.30 [0.61] | 0.35 [0.76] | 0.874 | Substantial agreement |
| Number of medicines taken | 0.46 [0.79] | 0.39 [0.68] | 0.851 | Substantial agreement |
|
| ||||
| Health related quality of life | ||||
| Self-rated overall health | 3.53 [0.68] | 3.87 [0.75] | 0.812 | Substantial agreement |
| SF-12 mental component score | 44.25 [9.64] | 45.27 [8.67] | 0.791 | Moderate agreement |
| SF-12 physical component score | 43.57 [4.72] | 43.91 [5.13] | 0.786 | Moderate agreement |
|
| ||||
| Severity | ||||
| Limitation in activities due to health problems | 7.00 [5.93] | 7.12 [6.15] | 0.831 | Substantial agreement |
|
| ||||
| Multimorbidity | ||||
| Multimorbidity (≥2 chronic conditions)% | 13.16 | 13.16 | 1 | <0.001 |