Table 3 Agreement between Self-reported Co-Morbidity and Administrative Measure of Co-Morbidity
Co-morbidity | Self-Report | Administrative Algorithms | Present in Both Data Sources | Present in Either Data Source | Kappa†(95% CI) | McNemar's††p-value |
|---|---|---|---|---|---|---|
Hypertension n (%) | 754 (35.1) | 714 (33.2) | 539 (25.1) | 929 (43.2) | 0.60 (0.52, 0.63) | 0.0428 |
Diabetes n (%) | 289 (13.4) | 238 (11.1) | 214 (10.0) | 313 (14.6) | 0.79 (0.75, 0.83) | <0.001 |
Asthma n (%) | 358 (16.7) | 247 (11.5) | 168 (7.8) | 437 (20.3) | 0.49 (0.43, 0.54) | <0.001 |
Myocardial Infarction n (%) | 194 (9.0) | 53 (2.5) | 37 (1.7) | 210 (9.8) | 0.27 (0.20, 0.35) | <0.001 |
Heart Failure n (%) | 72 (3.4) | 29 (1.3) | 15 (0.7) | 86 (4.0) | 0.28 (0.17, 0.40) | <0.001 |
Stroke n (%) | 62 (2.9) | 9 (0.4) | 8 (0.4) | 63 (2.9) | 0.22 (0.09, 0.35) | <0.001 |
No defined Algorithm | Self-Report | No defined Algorithm* | Both | Either | Kappa (95% CI) | McNemar's p value |
Depression n (%) | 581 (27.0) | 573 (26.7) | 364 (16.9) | 790 (36.8) | 0.50 (0.45, 0.54) | 0.6983 |
Cardiac Arrhythmia n (%) | 123 (5.7) | 654 (30.4) | 86 (4.0) | 691 (32.2) | 0.14 (0.10, 0.17) | <0.001 |
COPD n (%) | 67 (3.1) | 77 (3.6) | 24 (1.1) | 120 (5.6) | 0.31 (0.21, 0.41) | 0.3074 |