Table 3 Agreement between self-report and PBS claims of current medication, at 1, 3 and 6 months following release from prison
Concordance n (%) | Discordance n (%) | Kappa | PPV % | NPV % | |||
Self-report | No | Yes | Yes | No | |||
Records | No | Yes | No | Yes | |||
One month (N = 747) | |||||||
Any Medication | 401 (54) | 211 (28) | 98 (13) | 37 (5) | 0.62 | 68.3 | 91.6 |
Antidepressant | 630 (84) | 81 (11) | 24 (3) | 12 (2) | 0.79 | 77.1 | 98.1 |
Antipsychotic | 675 (90) | 42 (6) | 23 (3) | 7 (1) | 0.72 | 64.6 | 99.0 |
Lipid-modifier | 710 (95) | 17 (2) | 9 (1) | 11 (1) | 0.62 | 65.4 | 98.5 |
Three months (N = 698) | |||||||
Any Medication | 385 (55) | 203 (29) | 84 (12) | 26 (4) | 0.66 | 70.7 | 93.7 |
Antidepressant | 573 (82) | 71 (10) | 45 (6) | 9 (1) | 0.68 | 61.2 | 98.5 |
Antipsychotic | 626 (90) | 32 (5) | 27 (4) | 13 (2) | 0.59 | 54.25 | 98.0 |
Lipid-modifier | 662 (95) | 15 (2) | 12 (2) | 9 (1) | 0.57 | 55.6 | 98.7 |
Six months (N = 648) | |||||||
Any Medication | 334 (52) | 175 (27) | 84 (13) | 55 (8) | 0.55 | 67.6 | 85.9 |
Antidepressant | 546 (84) | 62 (10) | 28 (4) | 12 (2) | 0.72 | 68.9 | 97.84946 |
Antipsychotic | 586 (90) | 46 (7) | 10 (2) | 6 (1) | 0.84 | 82.1 | 99.0 |
Lipid-modifier | 612 (94) | 17 (3) | 10 (2) | 9 (1) | 0.63 | 63.0 | 98.6 |