Freitas, Ângela M.; Portuguez, Mirna Wetters; Russomano, Thaís; Freitas, Marcos de; Silvello, Silvio Luis da Silva; Costa, Jaderson Costa da

doi:10.1590/0004-282X20170123

Ângela M. Freitas Correspondence: Ângela Maria de Freitas; Instituto do Cérebro do Rio Grande do Sul - PUCRS; Avenida Ipiranga, 6690 / prédio 63, Jardim Botânico; 90610-000 Porto Seguro RS, Brasil; E-mail: mirna@pucrs.br

Pontifícia Universidade do Rio Grande do Sul, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre RS, Brasil

Mirna Wetters Portuguez

Pontifícia Universidade do Rio Grande do Sul, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre RS, Brasil

Pontifícia Universidade do Rio Grande do Sul, Instituto do Cérebro do Rio Grande do Sul, Porto Alegre RS, Brasil

Thaís Russomano

King's College London, Centre of Human & Aerospace Physiological Sciences, Graduate Program in Space Physiology & Health, Faculty of Life Sciences and Medicine, London, England, UK

Marcos de Freitas

Empresa Brasileira de Infraestrutura Aeroportuária, Gestão Regional de Navegação Aérea, NASU/SRSU, Porto Alegre RS, Brasil.

Silvio Luis da Silva Silvello

Empresa Brasileira de Infraestrutura Aeroportuária, Gestão Regional de Navegação Aérea, NASU/SRSU, Porto Alegre RS, Brasil.

Jaderson Costa da Costa

Pontifícia Universidade do Rio Grande do Sul, Programa de Pós-Graduação em Medicina e Ciências da Saúde, Porto Alegre RS, Brasil

Pontifícia Universidade do Rio Grande do Sul, Instituto do Cérebro do Rio Grande do Sul, Porto Alegre RS, Brasil

Correspondence: Ângela Maria de Freitas; Instituto do Cérebro do Rio Grande do Sul - PUCRS; Avenida Ipiranga, 6690 / prédio 63, Jardim Botânico; 90610-000 Porto Seguro RS, Brasil; E-mail: mirna@pucrs.br

Conflict of interest: There is no conflict of interest to declare.

Characteristics		Sample total (n = 52)
Characteristics		n	%
Air Traffic Control Unit
	A	29	55.8
	B	12	23.1
	C	11	21.2
Sociodemographic data
Gender
	Female	12	23.1
	Male	40	76.9
Age
	Mean (± SD) (Range) yr.	37.9 (± 8.5) (24 − 61)
Age group
	Up to 39 yr.	30	57.7
	40+ yr.	22	42.3
Educational level
	HSC	2	3.8
	HEI	14	26.9
	HEC	32	61.5
Postgraduate		4	7.7
Time working (years)
	Mean (±SD) (Median)	12.1 (± 9.6) (12.0)
Time working in present activity^* * 3.8% (n = 2).
	Less than 2 years	8	16.0
	From 2 to 6 years	12	24.0
	More than 6 years	30	60.0
Technical qualifications
	TWR	24	46.2
	APP	1	1.9
	TWR and APP	27	51.9
Health data
Physical activity^* * 3.8% (n = 2).
	Yes	37	74.0
	No	13	26.0
Chronic disease^* * 3.8% (n = 2).
	Yes	9	18.0
	No	41	82.0

Variables		Sample total (n = 52)
Variables		n	%^* * Percentages obtained based on total number of valid cases;
(LISS)- Stress^ 3.8% (n = 2) of data missing.
	No stress	42	84.0
	With stress	8	16.0
Physical and/or psychological stress
	Physical symptoms	5	62.5
	Psychological symptoms	3	37.5
(ESS) Sleepiness evaluation
	Up to 10 points non-excessive sleepiness - NORMAL	39	75.0
	Above 10 points excessive sleepiness	13	25.0

Variables			Sample Total (n=52)^* * Percentage obtained based on the total for sleepiness or stress test categories;
			Epworth Sleepiness Scale (ESS)					Stress Symptoms (LISS)
			Excessive sleepiness (n = 13)		Absence of sleepiness (n = 39)		p	Presence of stress (n = 8)		Absence of stress (n = 42)		p
			n	%	N	%	p	n	%	n	%	p
Sociodemographic data
	Gender
		Female	1	7.7	11	28.2	0.253^¶ ¶ Fisher's Exact Test;	2	25.0	10	22.7	> 0.999^¶ ¶ Fisher's Exact Test;
		Male	12	92.3	28	71.8	0.253^¶ ¶ Fisher's Exact Test;	6	75.0	34	77.3	> 0.999^¶ ¶ Fisher's Exact Test;
	Age (years)
		Mean ± SD	378 ± 78		379 ± 8.9		0.971^€ € Student t test for independent groups;	37.9 ± 8.1		37.9 ± 8.7		0.822^€ € Student t test for independent groups;
	Age group
		Up to 39 yr.	7	53.8	23	59.0	> 0.999^¶ ¶ Fisher's Exact Test;	3	37.5	27	61.4	0.160^¶ ¶ Fisher's Exact Test;
		40+ yr.	6	46.2	16	41.0	> 0.999^¶ ¶ Fisher's Exact Test;	5	62.5	17	38.6	0.160^¶ ¶ Fisher's Exact Test;
	Educational level
		HSC	1	7.7	1	2.6				2	4.5
		HEI	4	30.8	10	25.6	0.784^¶ ¶ Fisher's Exact Test;	2	25.0	12	27.3	0.590^¶ ¶ Fisher's Exact Test;
		HEC	7	53.8	25	64.1	0.784^¶ ¶ Fisher's Exact Test;	5	62.5	27	61.4	0.590^¶ ¶ Fisher's Exact Test;
		Postgraduate	1	7.7	3	7.7		1	12.5	3	6.8
Professional data
	Air Traffic Control Unit
		A	11	84.6	18	46.2		4	50.0	25	56.8
		B	1	7.7	11	28.2	0.045^¶ ¶ Fisher's Exact Test;	2	25.0	10	22.7	0.956^¶ ¶ Fisher's Exact Test;
		C	1	7.7	10	25.6		2	25.0	9	20.5
Time working (years)
		Mean ± SD (Median)	9.3 ± 9.6 (12.0)		12.8 ± 9.6 (13.5)		0.274^¥ ¥ Mann Whitney test;	10.5 ± 8.4 (12.0)		12.3 ± 9.9 (12.0)		0.322^¥ ¥ Mann Whitney test;
	Time working in present activity
		Less than 2 years	5	38.5	5	12.8		2	25.0	8	18.2
		From 2 to 6 years	3	23.1	9	23.1	0.155^¶ ¶ Fisher's Exact Test;	1	12.5	11	25.0	0.769^¶ ¶ Fisher's Exact Test;
		More than 6 years	5	38.5	25	64.1		5	62.5	25	56.8
	Technical qualifications
		TWR	5	38.5	19	48.7		5	62.5	19	43.2
		APP			1	2.6	0.654^¶ ¶ Fisher's Exact Test;			1	2.3	0.539^¶ ¶ Fisher's Exact Test;
		TWR and APP	8	61.5	19	48.7		3	37.5	24	54.5
Health data
	Physical activity^ 3.8% (n = 2) of data missing.
		Yes	10	83.3	27	71.1	0.480^¶ ¶ Fisher's Exact Test;	5	62.5	32	76.2	0.413^¶ ¶ Fisher's Exact Test;
		No	2	16.7	11	28.9	0.480^¶ ¶ Fisher's Exact Test;	3	37.5	10	23.8	0.413^¶ ¶ Fisher's Exact Test;
	Chronic disease^ 3.8% (n = 2) of data missing.
		Yes	3	25.0	6	15.8	0.668^¶ ¶ Fisher's Exact Test;	3	37.5	6	14.3	0.144^¶ ¶ Fisher's Exact Test;
		No	9	75.0	32	84.2	0.668^¶ ¶ Fisher's Exact Test;	5	62.5	36	85.7	0.144^¶ ¶ Fisher's Exact Test;
	Medication use^ 3.8% (n = 2) of data missing.
		Yes	2	16.7	6	15.8	> 0.999^¶ ¶ Fisher's Exact Test;	1	12.5	7	16.7	> 0.999^¶ ¶ Fisher's Exact Test;
		No	10	83.3	32	84.2	> 0.999^¶ ¶ Fisher's Exact Test;	7	875	35	83.3	> 0.999^¶ ¶ Fisher's Exact Test;

[1] Correspondence: Ângela Maria de Freitas; Instituto do Cérebro do Rio Grande do Sul - PUCRS; Avenida Ipiranga, 6690 / prédio 63, Jardim Botânico; 90610-000 Porto Seguro RS, Brasil; E-mail: mirna@pucrs.br

Brasil

Brasil

Efeitos do turno de trabalho alternado em controladores de tráfego aéreo e relação com sonolência diurna excessiva e estresse

RESUMO

Objetivo:

Métodos:

Resultados:

Conclusão: