Background
Methods
Context
Population data
Suicide data
Potential risk factors
Analyses
Results
Crude suicide rate per 100,000 | Socioeconomic Factors | |||||||
---|---|---|---|---|---|---|---|---|
Years | Overall | Male | Female | Census years | Population densitya
| Migrationb
| Unemploymentc
| % Tamil |
1955 | 6.9 | 9.1 | 4.5 | 1953 | 320 | - | - | 23.0 |
1972 | 21.0 | 30.1 | 11.1 | 1971 | 509 | 15.0 | 18.7 | 20.5 |
1980 | 29.0 | 37.7 | 19.7 | 1981 | 609 | 10.7 | 17.9 | 18.2 |
2011 | 18.5 | 30.0 | 7.9 | 2011 | 790 | 19.4 | 2.6 | 15.3 |
Overall suicide rates by district
Suicide rates stratified by population density
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) |
Census-derived factors
Census-derived factors (Spearman’s correlation, rs (p-value)) | ||||
---|---|---|---|---|
Years | Population densitya
| Migrationb
| Unemploymentc
| % Tamil |
1953–5 | −0.10 (0.697) | - | - | 0.19 (0.437) |
1971–2 | −0.40 (0.073) | 0.16 (0.487) | −0.55 (0.008) | 0.30 (0.171) |
1980–1 | −0.65 (<0.001) | 0.36 (0.084) | −0.62 (0.001) | 0.09 (0.665) |
2011 | −0.49 (0.012) | 0.12 (0.578) | −0.08 (0.707) | −0.02 (0.916) |