Table 2.

Unadjusted and adjusted associations between suicide rates and homicide rates in all the Brazilian municipalities, only municipalities with accurate vital information in Brazil, and by population size, 2008–2014

	Unadjusted model		Adjusted model*		Number of suicides	Number of municipalities‡
	RR†	95% CI	RR†	95% CI
All Brazilian municipalities	1.25	1.16 to 1.36	1.22	1.13 to 1.33	35 357	5051
Municipalities with accurate vital information	1.45	1.23 to 1.70	1.44	1.22 to 1.70	9336	1556
Population ≤10 000	1.19	1.01 to 1.39	1.18	1.01 to 1.39	14 352	2100
Population 10 001–50 000	1.29	1.13 to 1.47	1.27	1.11 to 1.45	16 583	2443
Population >50 000	1.29	1.12 to 1.49	1.28	1.10 to 1.48	4259	639

*Model adjusted for monthly per capita income (BR$), Psychosocial Care Centre coverage, urbanisation, percentage of people unemployed, 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.

‡This number excludes municipalities with zero suicides recorded between 2008 and 2014.

RR, rate ratio.