Table. Associations of Contextual Variables With County-Level Suicide Rates From 1999 to 2016.
Variables | IRR (95% CI) | P Value |
---|---|---|
Median agea | 1.004 (1.002-1.006) | <.001 |
% Non-Hispanic whitea | 1.005 (1.004-1.005) | <.001 |
% Mena | 1.004 (0.999-1.008) | .13 |
Social fragmentation | ||
Fourth vs first quartile | 1.077 (1.050-1.103) | <.001 |
Third vs first quartile | 1.056 (1.035-1.077) | <.001 |
Second vs first quartile | 1.037 (1.020-1.055) | <.001 |
Social capital | ||
Fourth vs first quartile | 0.917 (0.891-0.943) | <.001 |
Third vs first quartile | 0.936 (0.914-0.958) | <.001 |
Second vs first quartile | 0.961 (0.943-0.979) | <.001 |
Ratio of psychiatrists to residents, per 100 000 residents | 0.999 (0.998-1.000) | .05 |
Ratio of primary care physicians to residents, per 100 000 residents | 1.000 (1.000-1.001) | .10 |
% Without health insurance | 1.005 (1.004-1.006) | <.001 |
% Veterans | 1.025 (1.021-1.028) | <.001 |
Ratio of drinking establishments to residents, per 100 000 residents | 1.000 (1.000-1.000) | .52 |
Abbreviation: IRR, incidence rate ratios.
Control variables were global-mean centered; IRRs reflect 1-unit increase from mean.