Hospitalisation for COPD and associated OR for subsequent suicide
| Number distribution (in %) | OR (95% CI) for suicide | ||||
|---|---|---|---|---|---|
| Suicide cases | Population controls | Model I* | Model II† | Model III‡ | |
| Variable | n=19 869 (100) | n=321 867 (100) | |||
| History of hospitalised COPD | |||||
| No | 19 277 (97.0) | 318 780 (99.0) | Reference | Reference | Reference |
| Yes | 592 (3.0) | 3087 (1.0) | 2.6 (2.3 to 2.8) | 2.1 (1.9 to 2.4) | 2.0 (1.8 to 2.2) |
| Number of COPD hospitalisations | |||||
| No COPD | 19 277 (97.0) | 318 780 (99.0) | Reference | Reference | Reference |
| 1–2 | 430 (2.2) | 2598 (0.8) | 2.2 (2.0 to 2.5) | 1.9 (1.7 to 2.1) | 1.8 (1.6 to 2.0) |
| 3–5 | 116 (0.6) | 344 (0.1) | 4.3 (3.5 to 5.4) | 3.4 (2.7 to 4.4) | 3.2 (2.5 to 4.1) |
| >5 | 46 (0.2) | 145 (0.1) | 4.1 (2.9 to 5.8) | 4.1 (2.8 to 6.0) | 3.7 (2.5 to 5.4) |
| Time since last COPD hospitalisation | |||||
| No COPD | 19 277 (97.0) | 318 780 (99.0) | Reference | Reference | Reference |
| <30 days | 80 (0.4) | 118 (0.0) | 8.6 (6.4 to 11.6) | 9.1 (6.59 to 12.55) | 8.3 (6.0 to 11.5) |
| 1–6 months | 131 (0.7) | 377 (0.1) | 4.6 (3.8 to 5.7) | 4.1 (3.21 to 5.11) | 3.8 (3.1 to 4.8) |
| 6–12 months | 63 (0.3) | 305 (0.1) | 2.8 (2.1 to 3.7) | 2.4 (1.73 to 3.22) | 2.2 (1.6 to 3.0) |
| 1–3 years | 154 (0.8) | 868 (0.3) | 2.4 (2.0 to 2.9) | 2.0 (1.62 to 2.38) | 1.8 (1.5 to 2.2) |
| >3 years | 164 (0.8) | 1419 (0.4) | 1.5 (1.3 to 1.8) | 1.2 (1.01 to 1.45) | 1.2 (1.0 to 1.4) |
*Adjusted only for sex, age and birth date through matching.
†Further adjusted for history of psychiatric illness.
‡Moreover adjusted for annual income level, place of residence, citizenship and marital status.
COPD, chronic obstructive pulmonary disease.