Independent variables | Unadjusted Rate Ratio (95Â % CI)a | P value | Adjusted Rate Ratio (95Â % CI)b | P value |
---|---|---|---|---|
Age at each pre-recruitment year (per year) | 1.0 (1.0. 1.0) | 0.048 | 1.0 (1.0, 1.0) | 0.012 |
Time (per year) | 1.2 (1.1. 1.2) | <0.001 | 1.1 (1.0, 1.1) | <0.001 |
Female gender | 1.1 (0.9, 1.5) | 0.349 | 1.0 (0.8, 1.2) | 0.813 |
Aboriginals (yes vs. no) | 0.9 (0.7, 1.3) | 0.635 | 1.1 (0.8, 1.4) | 0.617 |
White (yes vs. no) | 1.1 (0.8, 1.4) | 0.594 | 0.9 (0.7, 1.1) | 0.217 |
Schizophrenia (yes vs. no) | 7.7 (6.4, 9.3) | <0.001 | 4.7 (3.9, 5.6) | <0.001 |
Bipolar disorder (yes vs. no) | 5.7 (4.6, 7.0) | <0.001 | 2.2 (1.8, 2.6) | <0.001 |
Personality disorder (yes vs. no) | 3.0 (2.3, 3.9) | <0.001 | 1.6 (1.8, 2.6) | <0.001 |
Depressive disorder (yes vs. no) | 3.2 (2.7, 3.8) | <0.001 | 1.6 (1.3, 1.9) | <0.001 |
Anxiety-neurotic disorder (yes vs. no) | 2.8 (2.3, 3.5) | <0.001 | 1.5 (1.2, 1.8) | <0.001 |
Alcohol dependence (yes vs. no) | 2.5 (1.9, 3.2) | <0.001 | 1.5 (1.2, 2.0) | 0.001 |
Drug dependence (yes vs. no) | 2.4 (2.0, 2.9) | <0.001 | 1.5 (1.2, 1.7) | <0.001 |
Non-psychiatric service utilizationc | Â | Â | Â | Â |
 High (≥32) | 3.4 (2.7, 4.3) | <0.001 | 2.3 (1.9, 2.8) | <0.001 |
 Medium (16 to 31) | 2.1 (1.7, 2.7) | <0.001 | 1.5 (1.2, 1.8) | <0.001 |
 Low (≤15) | Reference | - | Reference | - |