Table 2. Results for two-part models for total PBS costs.
| Disorder categories | Mental health related costs | General health related costs | ||
|---|---|---|---|---|
| % using health service % (95% CI) | Average cost for those who accessed services $A (95% CI) | % using health service % (95% CI) | Average cost for those who accessed services $A (95% CI) | |
| No mental disorders | 0.7 (0.4, 1.1) | 197 (87, 308) | 25.1 (23.2, 27.0) | 154 (83, 226) |
| Any Mental disorders | 15.2 (12.4, 18.0)*** | 486 (356, 617)*** | 37.7 (33.8, 41.7)*** | 113 (72, 155) |
| ADHD | 14.5 (9.3, 19.8)*** | 752 (428, 1077)** | 31.5 (24.7, 38.3) | 91 (45, 137) |
| Conduct disorders | 5.2 (0.0, 14.9) | 883 (551, 1215)*** | 28.9 (12.2, 45.6) | 84 (21, 146) |
| Anxiety related disorders | 5.1 (1.5, 8.7)* | 237 (111, 364) | 42.7 (35.3, 50.1)*** | 113 (48, 179) |
| Major Depressive Disorders | 8.3 (1.8, 14.9)* | 414 (0, 900) | 29.6 (15.6, 43.5) | 148 (18, 279) |
| Comorbid 2 conditions | 24.7 (18.2, 31.1)*** | 365 (238, 492)* | 44.5 (36.5, 52.4)*** | 142 (53, 231) |
| Comorbid 3+ conditions | 36.4 (19.7, 53.1)*** | 458 (252, 663)* | 37.3 (21.1, 53.4) | 63 (8, 118)* |
| Any Subthreshold disorders | 1.8 (1.2, 2.5)** | 395 (213, 577) | 29.5 (26.9, 32.0)** | 129 (90, 168) |
| Subthreshold MDD | 1.4 (0, 4.2) | 3201 (1812, 4590)*** | 37.0 (15.8, 58.1)* | 434 (0, 1049) |
| Subthreshold AnxD | 1.0 (0.2, 1.9) | 416 (114, 718) | 33.0 (28.6, 37.3)** | 116 (82, 149) |
| Subthreshold CD | 0 | N/A | 21.8 (5.0, 38.5) | 156 (15, 296) |
| Subthreshold ADHD | 2.2 (0.9, 3.5)* | 373 (153, 593) | 24.8 (21.1, 28.5) | 132 (82, 182) |
| Subthreshold Comorbid | 2.5 (1.2, 3.8)* | 184 (93, 275) | 32.5 (27.7, 37.3)** | 117 (73, 162) |
***, statistical significance at the 0.1% level;
**, statistical significance at the 1% level;
*, statistical significance at the 5% level.
Statistically significant results shown in bold.
MDD: Major depressive disorder, AnxD: Anxiety disorders, CD: Conduct disorder, ADHD: Attention-deficit/hyperactivity disorder.