Population density (population per Sq. mile)a | Suicide rate (per 100,000) | Relative suicide rate (95% confidence intervals) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1955 | 1972 | 1980 | 2011 | 1955* | 1972 | 1980 | 2011 | ||||
Unadjusted | Unadjusted | Adjustedb | Unadjusted | Adjustedb | Unadjusted | Adjustedb | |||||
>2000 | 6.7 | 13.3 | 11.9 | 11.4 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
500–2000 | 7 | 22.8 | 30.4 | 19.3 | 1.1 (0.5, 2.1) | 1.7 (0.8, 3.5) | 1.0 (0.5, 1.7) | 2.5 (1.3, 4.7) | 2.0 (1.1, 3.4) | 1.7 (1.3, 2.3) | 1.9 (1.4, 2.5) |
<500 | 7.2 | 23.9 | 40.2 | 22.8 | 1.1 (0.5, 2.4) | 1.9 (0.9, 4.1) | 0.7 (0.4, 1.4) | 3.7 (2.0, 6.9) | 2.2 (1.2, 4.1) | 1.9 (1.4, 2.5) | 2.1 (1.6, 2.7) |