Table 2.
Cohen’s κ and frequency (%) of agreement and disagreement of RAI-MDS and prescription drug data on medication class use
| Anti-Psychotic | Anti-Depressant | Anti-Anxiety or Hypnotic | |
|---|---|---|---|
| Cohen’s κ (95% Confidence Interval) | |||
| All ages | 0.85 (0.83, 0.86) | 0.83 (0.82, 0.85) | 0.40 (0.38, 0.42) |
| <65 years | 0.81 (0.77, 0.86) | 0.84 (0.79, 0.88) | 0.46 (0.39, 0.54) |
| 65+ years | 0.85 (0.84, 0.86) | 0.83 (0.82, 0.85) | 0.39 (0.37, 0.41) |
| Males | 0.82 (0.80, 0.84) | 0.79 (0.76, 0.81) | 0.39 (0.35, 0.43) |
| Females | 0.86 (0.84, 0.87) | 0.85 (0.84, 0.87) | 0.40 (0.38, 0.43) |
| Frequency (%) of Agreement/Disagreement | |||
| Positive Agreement: In RAI-MDS and Prescription Drug Data | 2851 (32.2) | 3087 (34.8) | 1054 (11.9) |
| Negative Agreement: In neither RAI-MDS nor Prescription Drug Data | 5385 (60.7) | 5079 (57.3) | 5925 (66.8) |
| Disagreement: In RAI-MDS & Not in Prescription Drug Data | 311 (3.5) | 273 (3.1) | 1347 (15.2) |
| Disagreement: Not in RAI-MDS & in Prescription Drug Data | 319 (3.6) | 427 (4.8) | 540 (6.1) |
| Total | 8866 (100.0) | 8866 (100.0) | 8866 (100.0) |