Table 3.

Unadjusted and adjusted associations between suicide rates and homicide rates in the Brazilian municipalities by quintiles of homicide rates, 2008–2014*

Homicide rate	Unadjusted model		Adjusted model†
	RR‡	95% CI	RR‡	95% CI
First quintile (reference)	1		1
Second quintile	1.01	0.96 to 1.06	1.01	0.96 to 1.06
Third quintile	1.04	0.99 to 1.09	1.04	0.99 to 1.09
Fourth quintile	1.10	1.04 to 1.15	1.09	1.04 to 1.14
Fifth quintile	1.13	1.07 to 1.19	1.12	1.06 to 1.18

*Based on 35 357 suicides from 5051 municipalities. Municipalities with zero suicides recorded between 2008 and 2014 were excluded.

†Model adjusted for monthly per capita income (BR$), Psychosocial Care Centre coverage, urbanisation, percentage of unemployed people, percentage of individuals who were divorced, percentage of Pentecostal Christians and percentage of households with one resident.

‡Change in suicide rate per 100% increase in homicide rate.

RR, rate ratio.