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Original Article • Epidemiol. Serv. Saúde 29 (5) • 2020 • https://doi.org/10.1590/S1679-49742020000500005 copy

Transport accident mortality time trend and spatial distribution in Piauí, Brazil, 2000-2017

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objective:

To analyze the time trend and spatial distribution of transport accident (TA) mortality in Piauí, from 2000 to 2017.

Methods:

An ecological time series study was conducted using Mortality Information System (SIM) data on TA mortality among people resident in the state of Piauí, according to sex, age group and municipality. Prais-Winsten regression was used.

Results:

14,396 deaths were recorded. The mortality rate per 100,000 inhabitants was 13.9 in 2000 and 30.6 in 2017. There was a significant increase in the TA mortality rate (annual percent change [APC] of 6.4% – 95%CI 4.3;8.7), being higher among motorcyclists (APC=14.7% – 95%CI 9.7;20.0) and among vehicle occupants (APC=15.2 – 95%CI 10.5;20.2).

Conclusion:

There was significant increase in TA mortality in Piauí, especially among motorcyclists and vehicle occupants. Actions are needed to promote road safety and to prevent road traffic deaths.

Keywords:
Accidents, Traffic; Time Series Studies; Mortality; Health Information Systems

Características)		Total^a a) Includes 10 cases with no information on sex.		Male		Female
Características)		N	%	N	%	N	%
Age (in years)
	≤9	383	2.7	219	1.8	163	7.6
	10-19	1,544	10.7	1,236	10.1	308	14.3
	20-39	6,796	47.3	6,009	49.2	785	36.4
	40-59	3,754	26.1	3,226	26.4	528	24.5
	≥60	1,898	13.2	1,526	12.5	371	17.2
Race/skin color
	Black (black + brown)	10,897	80.9	9,366	81.8	1,531	75.9
	White	2,539	18.8	2,059	18.0	480	23.8
	Yellow	32	0.2	28	0.2	4	0.2
	Indigenous	8	0.1	5	0.0	3	0.1
Schooling (in years)
	None	1,923	15.2	1,631	15.1	292	15.7
	1-7	7,426	58.6	6,495	60.1	931	50.1
	≥8	3,314	26.2	2,680	24.8	634	34.1
Type of victim
	Pedestrian	2,137	14.8	1,595	13.0	540	25.0
	Cyclist	684	4.8	620	5.1	64	3.0
	Motorcyclist	7,041	48.9	6,310	51.6	729	33.8
	Vehicle occupant	1,702	11.8	1,287	10.5	412	19.1
	Occupant of other types of transport^b b) Includes animal-drawn vehicles, railway trains, streetcars, special vehicles and non-specified vehicles.	2,832	20.0	2,416	19.8	413	19.1

Type of victim and sex		Mortality rate		Annual percent change (%)	95%CI^a a) 95%CI: 95% confidence interval.	p-value^b b) Wald's test.	Trend
Type of victim and sex		2000	2017	Annual percent change (%)	95%CI^a a) 95%CI: 95% confidence interval.	p-value^b b) Wald's test.	Trend
Total		13.9	30.6	6.4	4.3;8.7	<0.001	Rising
	Male (M)	22.4	53.1	6.5	4.3;8.7	<0.001	Rising
	Female (F)	5.6	9.0	3.9	1.9;6.0	0.001	Rising
	M/F ratio	4.0	5.9
Pedestrian		3.3	2.7	-0.9	-4.9;3.4	0.667	Stable
	Male (M)	5.3	4.8	0.3	-2.8;3.5	0.838	Stable
	Female (F)	1.4	0.8	-1.8	-6.9;3.5	0.471	Stable
	M/F ratio	3.7	6.1
Cyclist		0.6	1.4	4.7	1.8;7.6	0.003	Rising
	Male (M)	1.1	2.5	5.4	1.2;9.7	0.014	Rising
	Female (F)	0.1	0.3	2.3	-2.8;7.6	0.367	Stable
	M/F ratio	7.7	8.2
Motorcyclist		2.1	19.6	14.7	9.7;20.0	<0.001	Rising
	Male (M)	3.8	35.7	14.7	9.0;20.7	<0.001	Rising
	Female (F)	0.5	4.2	13.3	10.3;16.4	<0.001	Rising
	M/F ratio	7.9	8.4
Vehicle occupant		0.3	5.1	15.2	10.5;20.2	<0.001	Rising
	Male (M)	0.6	7.1	14.4	10.7;18.2	<0.001	Rising
	Female (F)	–	3.0	13.6	8.1;19.4	<0.001	Rising
	M/F ratio	–	2.4
Occupant of other types of transport ^c c) Includes animal-drawn vehicles, railway trains, streetcars, special vehicles and non-specified vehicles.		7.5	1.8	-6.6	-9.2;-4.1	<0.001	Falling
	Male (M)	11.6	3.1	-6.0	-8.5;-3.5	<0.001	Falling
	Female (F)	3.6	0.6	-9.2	-11.3;-7.0	<0.001	Falling
	M/F ratio	3.2	4.9

Type of victim and age		Mortality rate		Annual percent change (%)	95%CI^a a) 95%CI: 95% confidence interval.	p-valor^b b) Wald's test.	Trend
Type of victim and age		2000	2017	Annual percent change (%)	95%CI^a a) 95%CI: 95% confidence interval.	p-valor^b b) Wald's test.	Trend
Age (in years)		13.9	30.6	6.4	4.3;8.7	<0.001	Rising
	≤9	4.7	3.3	-1.5	-3.6;0.6	0.140	Stable
	10-19	7.7	13.2	4.0	0.5;7.5	0.026	Rising
	20-39	20.1	41.9	5.6	3.2;7.9	<0.001	Rising
	40-59	21.1	39.8	5.2	3.0;7.4	<0.001	Rising
	≥60	19.9	45.5	5.8	3.7;8.0	<0.001	Rising
Pedestrian		3.3	2.7	-0.9	-4.9;3.4	0.667	Stable
	≤9	2.2	0.8	-2.4	-4.9;0.2	0.066	Stable
	10-19	1.9	0.5	-6.6	-11.5;-1.3	0.018	Falling
	20-39	3.1	1.7	-3.4	-7.8;1.1	0.130	Stable
	40-59	5.6	3.7	-1.0	-3.8;2.0	0.498	Stable
	≥60	6.9	10.6	3.1	-0.4;6.7	0.080	Stable
Cyclist		0.6	1.4	4.7	1.8;7.6	0.003	Rising
	≤9	0.3	0.2	-5.7	-10.0;-1.1	0.020	Falling
	10-19	0.1	0.7	3.1	-1.7;8.2	0.189	Stable
	20-39	0.8	0.9	1.2	-4.4;7.2	0.659	Stable
	40-59	1.1	1.9	3.9	-0.7;8.7	0.090	Stable
	≥60	0.9	4.6	13.6	10.0;17.5	<0.001	Rising
Motorcyclist		2.1	19.6	14.7	9.7;20. 0	<0.001	Rising
	≤9	0.0	0.6	10.1	4.5;15.9	0.001	Rising
	10-19	1.7	9.1	12.5	7.0;18.3	<0.001	Rising
	20-39	4.5	32.0	12.5	8.4;16.8	<0.001	Rising
	40-59	1.9	23.1	16.1	10.7;21.8	<0.001	Rising
	≥60	0.4	19.7	21.0	13.7;28.7	<0.001	Rising
Vehicle occupant		0.3	5.1	15.2	10.5;20.2	<0.001	Rising
	≤9	0.0	1.4	6.0	-1.6;14.0	0.112	Stable
	10-19	0.0	2.0	9.4	2.0;17.3	0.015	Rising
	20-39	0.6	5.3	12.5	7.2;18.0	<0.001	Rising
	40-59	0.6	8.4	13.2	8.3;18.4	<0.001	Rising
	≥60	0.4	7.7	18.3	13.9;22.9	<0.001	Rising
Occupant of other types of transport ^c c) Includes animal-drawn vehicles, railway trains, streetcars, special vehicles and non-specified vehicles.		7.5	1.8	-6.6	-9.2;-4.1	<0.001	Falling
	≤9	2.1	0.4	-12.3	-16.3;-8.2	<0.001	Falling
	10-19	4.0	0.8	-8.8	-14.4;-2.7	0.008	Falling
	20-39	11.1	2.0	-7.4	-10.6;-4.1	<0.001	Falling
	40-59	11.8	2.7	-7.4	-10.0;-4.7	<0.001	Falling
	≥60	11.2	2.9	-5.6	-8.5;-2.6	0.001	Falling

Secretaria de Vigilância em Saúde e Ambiente - Ministério da Saúde do Brasil SRTVN Quadra 701, Via W5 Norte, Lote D, Edifício P0700, CEP: 70719-040, +55 61 3315-3464, Fax: +55 61 3315-3464 - Brasília - DF - Brazil
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