Breaks in Sedentary Time and Cardiometabolic Markers in Adolescents

Quirino, Natália Maria Mesquita de Lima; Prazeres Filho, Alcides; Barbosa, Arthur Oliveira; Mendonça, Gerfeson; Farias Júnior, José Cazuza de

doi:10.36660/abc.20200047

Natália Maria Mesquita de Lima Quirino

Faculdades Nova Esperança (FACENE), João Pessoa, PB – Brazil

Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), João Pessoa, PB – Brazil

https://orcid.org/0000-0003-0574-639X

Alcides Prazeres Filho

Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), João Pessoa, PB – Brazil

Programa Associado de Pós-Graduação em Educação Física (UPE/UFPB), João Pessoa, PB – Brazil

https://orcid.org/0000-0003-2661-090X

Arthur Oliveira Barbosa

Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), João Pessoa, PB – Brazil

Programa Associado de Pós-Graduação em Educação Física (UPE/UFPB), João Pessoa, PB – Brazil

https://orcid.org/0000-0002-5976-7287

Gerfeson Mendonça

Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), João Pessoa, PB – Brazil

Centro Universitário Cesmac, Maceió, AL - Brazil

https://orcid.org/0000-0003-3606-2396

José Cazuza de Farias JúniorMailing Address: José Cazuza de Farias Júnior • Universidade Federal da Paraíba, Departamento de Educação Física, Campus I, Cidade Universitária, João Pessoa, Paraíba - Bloco de Pós-Graduação de Fisioterapia e Educação Física – CCS, Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), Sala 20, Postal Code 58051-900, João Pessoa, PB - Brazil. E-mail: jcazuzajr@hotmail.com, jcazuzajr@gmail.com

Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), João Pessoa, PB – Brazil

Programa Associado de Pós-Graduação em Educação Física (UPE/UFPB), João Pessoa, PB – Brazil

Universidade Federal da Paraíba (UFPB), João Pessoa, PB - Brazil

https://orcid.org/0000-0002-1082-6098

Mailing Address: José Cazuza de Farias Júnior • Universidade Federal da Paraíba, Departamento de Educação Física, Campus I, Cidade Universitária, João Pessoa, Paraíba - Bloco de Pós-Graduação de Fisioterapia e Educação Física – CCS, Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), Sala 20, Postal Code 58051-900, João Pessoa, PB - Brazil. E-mail: jcazuzajr@hotmail.com, jcazuzajr@gmail.com

Author Contributions

Conception and design of the research: Lima NMM, Farias Júnior JC; Acquisition of data: Lima NMM, Prazeres Filho A, Barbosa AO, Farias Júnior JC; Analysis and interpretation of the data and Statistical analysis: Prazeres Filho A, Barbosa AO, Farias Júnior JC; Obtaining financing: Farias Júnior JC; Writing of the manuscript: Lima NMM, Prazeres Filho A, Barbosa AO, Mendonça G, Farias Júnior JC; Critical revision of the manuscript for intellectual content: Mendonça G, Farias Júnior JC.

Potential Conflict of Interest

No potential conflict of interest relevant to this article was reported.

		Included in the analyses		Excluded from the analyses		p^* * chi-square test;
Variables		(n = 537)		(n = 472)
		n	%	n	%
Gender						0.281
Male		256	47.7	209	44.3
Female		281	52.3	263	55.7
Age						<0.001
10-11 (years)		344	64.1	230	51.3
12-14 (years)		193	35.9	242	48.7
Socioeconomic class						0.614
A/B		170	36.3	144	34.7
C/D/E		298	63.7	271	65.3
Skin color ^§ § Variables with fewer losses (n = 1);						0.352
White		16	20.8	87	18.6
Non-white		61	79.2	382	81.4
Mother's level of schooling ^// // Variable with more losses (n = 101);						0.010
Incomplete elementary school		148	33.5	166	41.9
Elementary school		130	29.4	119	30.1
Complete high school and higher education		164	37.1	111	28.0
Body mass index (BMI)						0.085
Underweight		14	2.6	14	3.0
Normal weight		326	61.4	321	68.6
Overweight		115	21.7	83	17.7
Obesity		76	14.3	50	10.7
Exposure to sedentary behavior
<8 hours/day		343	63.9	192	66.9	0.386
≥8 hours/day		194	36.1	95	33.1
	n	Mean	SD	Mean	SD	p ^† † Student's T for independent variables;
Behavior variables
Sleep hours (hours/day)^§ § Variables with fewer losses (n = 1);	536	9.7	1.6	9.6	1.6	0.871
Numbers of breaks (number/day)^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	537	100.3	91.5-108.3	92.0	82.5-104.0	<0.001^‡ ‡ Mann-Whitney U test;
Physical activity (minutes/day)^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	537	29.1	17.9-45.1	30.5	16.5- 47.0	0.710^‡ ‡ Mann-Whitney U test;
Sedentary behavior (minutes/day)^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	537	451.0	392.7-513.1	432.8	377.0-500.7	0.022^‡ ‡ Mann-Whitney U test;
Accelerometer usage (minutes/day)	537	855.3	94.9	816.0	109.7	<0.001
Food intake
Lipid (g)	528	71.4	45.4	77.7	51.5	0.044
Total saturated fat (g)^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	528	15.0	8.0-23.0	17.0	10.0-26.0	0.001^‡ ‡ Mann-Whitney U test;
Sodium (mg)^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	528	2.055.5	1.420.5-2.852.0	2.161.0	1.534.0-3.053.0	0.028^‡ ‡ Mann-Whitney U test;
Fibers (g)	528	23.1	14.2	24.3	14.4	0.198
Cholesterol (mg)	528	176.8	190.4	188.5	240.2	0.397
Cardiometabolic markers
BMI (kg/m²)	531	19.5	4.0	19.5	3.6	0.410
SBP (mmHg)	537	105.8	9.5	105.2	8.6	0.321
DBP (mmHg)	537	62.4	7.0	61.9	6.9	0.318
Glucose (mg/dL)	537	91.1	10.2	91.4	23.1	0.819
Cholesterol (mg/dL)^§ § Variables with fewer losses (n = 1);	536	159.4	31.7	158.1	32.1	0.580
Triglycerides (mg/dL) ^¶ ¶ Data presented as median and interquartile range. BMI: body mass index.	534	75.0	56-102	73.0	54-98	0.516^‡ ‡ Mann-Whitney U test;
HDL (mg/dL)^§ § Variables with fewer losses (n = 1);	536	43.9	9.5	43.4	9.3	0.463
LDL (mg/dL)^§ § Variables with fewer losses (n = 1);	536	98.3	28.2	98.2	28.5	0.945

Variables		Crude			Adjusted^† † Model adjusted for gender, age, skin color, socioeconomic class, mother's level of education, hours of sleep (hours/day), fiber intake (g), lipids (g), saturated fat (g), cholesterol (mg), sodium (mg), time of accelerometer usage (min/day), total moderate to vigorous physical activity (min/day), total sedentary behavior (min/day) and BMI (kg/m2), except when it is treated as a dependent variable;			Sedentary behavior interaction term^‡ ‡ Adjusted model + interaction term between sedentary behavior (<8 hours/day vs. ≥ 8 hours/day) and number of breaks/day;			BMI interaction term^§ § Adjusted model + interaction term between BMI (kg/m2) and number of breaks/day.
Variables	ß	(95%CI)	p	ß	(95%CI)	p	ß	(95%CI)	p	ß	(95%CI)	p
Glucose (mg/dL)	0.011	-0.052; 0.073	0.737	-0.039	-0.138; 0.061	0.446	-0.021	-0.050; 0.009	0.176	-0.003	-0.037; 0.031	0.865
Cholesterol (mg/dL)	-0.181	-0.375; 0.013	0.067	-0.042	-0.336; 0.251	0.778	0.037	-0.051; 0.126	0.404	-0.046	-0.146; 0.055	0.371
Triglycerides (mg/dL)	-0.001	-0.004; 0.002	0.539	0.000	-0.004; 0.005	0.861	0.001	-0.001; 0.002	0.285	0.001	-0.001; 0.002	0.248
HDL-c (mg/dL)	0.040	-0.018; 0.099	0.174	-0.016	-0.104; 0.073	0.729	-0.013	-0.041; 0.014	0.341	0.005	-0.027; 0.036	0.761
LDL-c (mg/dL)	-0.190	-0.362; -0.018	0.030	0.019	-0.238; 0.277	0.882	0.021	-0.058; 0.101	0.598	-0.057	-0.149; 0.034	0.221
SBP (mmHg)	-0.081	-0.139; -0.023	0.006	-0.011	-0.090; 0.068	0.778	0.017	-0.008; 0.041	0.176	-0.005	-0.033; 0.023	0.710
DPB (mmHg)	-0.029	-0.072; 0.014	0.184	-0.026	-0.088; 0.037	0.421	0.008	-0.011; 0.027	0.387	-0.004	-0.025; 0.018	0.739
BMI (kg/m²)	-0.051	-0.075; -0.026	0.000	-0.069	-0.102; -0.035	0.000	-0.004	-0.014; 0.006	0.440	--	--	--

[1] Mailing Address: José Cazuza de Farias Júnior • Universidade Federal da Paraíba, Departamento de Educação Física, Campus I, Cidade Universitária, João Pessoa, Paraíba - Bloco de Pós-Graduação de Fisioterapia e Educação Física – CCS, Grupo de Estudos e Pesquisas em Epidemiologia da Atividade Física (GEPEAF), Sala 20, Postal Code 58051-900, João Pessoa, PB - Brazil. E-mail: jcazuzajr@hotmail.com, jcazuzajr@gmail.com

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Breaks in Sedentary Time and Cardiometabolic Markers in Adolescents

Abstract

Background:

Objectives:

Methods:

Results:

Conclusions: