What is the contribution of each physical activity domain to total physical activity in adolescents?

Couto, Josiene de Oliveira; Araujo, Raphael Henrique Oliveira; Silva, Ellen Caroline Mendes da; Soares, Nara Michelle Moura; Santos, Antonio Evaldo dos; Silva, Roberto Jerônimo dos Santos

doi:10.1590/1980-0037.2020v22e70170

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Brasil

Revista Brasileira de Cineantropometria & Desempenho Humano

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original article • Rev. bras. cineantropom. desempenho hum 22 • 2020 • https://doi.org/10.1590/1980-0037.2020v22e70170 copy

What is the contribution of each physical activity domain to total physical activity in adolescents?

Qual a contribuição de cada domínio da atividade física para atividade física total em adolescentes?

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The present study aimed to verify the contribution of different physical activity domains to “total physical activity” in Brazilian adolescents. This is a cross-sectional study using secondary data from the third edition of the National School Health Survey - PeNSE, 2015. The sample consisted of 100,497 adolescents of both sexes enrolled in the 9^th grade of elementary schools. A linear regression model was used to verify how much each domain contributed to total physical activity, considering gender, type of municipality and region. The domain with the largest contribution to “total physical activity” regardless of sociodemographic and environmental variables was “extra-school physical activity” (R2 = 0.60), followed by “active commuting” (R2 = 0.34), and finally “Physical Education classes” (R2 = 0.23). The contribution of the different domains varied by gender, type of municipality and region, and it was concluded that “extra-school physical activity” make the greatest contribution to “total physical activity”, followed by “active commuting” and “Physical Education classes”. In addition, variation was observed in the contribution of domains by gender, type of municipality and region.

Key words
Adolescent behavior; Physical activity; Physical Education

Variables	Categorization	Criterion / Characterization
Gender^a a Question VB01001;	Female	Biological Classification
Gender^a a Question VB01001;	Male	Biological Classification
Age group^b b Question VB01003;	≤ 14 years	Distribution Median
Age group^b b Question VB01003;	> 14 years	Distribution Median
Race/Color^c c Question VB01002;	Non white	Race / Color: black, yellow, brown and indigenous
Race/Color^c c Question VB01002;	White	All white
Regions	Northern	Federation Units groups
	Northeastern
	Southeastern
	Southern
	Mid-western
Type of Municipality	Non capital	Location
Type of Municipality	Capital	Location
Study shift^d d Question VB01022	Part time	Graded according to length of school stay "Part time" considered morning or afternoon; "Full time" only full time
Study shift^d d Question VB01022	Full time
Total Physical Activity Time	Continuous Data	In Minutes
Active commuting	Continuous Data	In Minutes
Physical activity in physical education classes	Continuous Data	In Minutes
Extra-School Physical Activity	Continuous Data	In Minutes

Variables		N	%	95% CI
Gender
	Female	51.998	51.7	51.4 - 52.1
	Male	48.499	48.3	47.9 - 48.6
Age group
	≤ 14 years	68.097	67.8	67.5 - 68.0
	> 14 years	32.400	32.2	32.0 - 32.5
Race/Color
	Non white	67.034	66.8	66.5 - 67.1
	White	33.359	33.2	32.9 – 33.5
Type of municipality
	Non capital	50.055	49.8	49.5 - 50.1
	Capital	50.442	50.2	49.9 - 50.5
Study shift
	Part time	98.544	98.3	98.2 - 98.4
	Full time	1.718	1.7	1.6 - 1.8

Variables	R²	P	B	CI (95%)
Extra-school physical activity	0.60	<0.001	1.12	1.11 - 1.13
Active commuting	0.34	<0.001	1.06	1.04 - 1.08
Physical education classes	0.23	<0.001	1.70	1.65 - 1.75

	Female
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.52	<0.001	1.07	1.05 - 1.09	0.52	<0.001	1.11	1.09 - 1.13
Northern	0.50	<0.001	1.06	1.02 - 1.10	0.53	<0.001	1.13	1.08 - 1.17
Northeastern	0.49	<0.001	1.06	1.03 - 1.09	0.47	<0.001	1.11	1.08 - 1.14
Southeastern	0.53	<0.001	1.05	1.01 - 1.09	0.52	<0.001	1.09	1.05 - 1.13
Southern	0.54	<0.001	1.08	1.02 - 1.13	0.60	<0.001	1.14	1.10 - 1.18
Mid-western	0.56	<0.001	1.13	1.08 - 1.17	0.50	<0.001	1.16	1.10 - 1.21
	Male
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.63	<0.001	1.09	1.07 - 1.11	0.63	<0.001	1.12	1.10 - 1.14
Northern	0.64	<0.001	1.10	1.07 - 1.13	0.67	<0.001	1.13	1.09 - 1.16
Northeastern	0.66	<0.001	1.07	1.05 - 1.09	0.64	<0.001	1.12	1.09 - 1.14
Southeastern	0.61	<0.001	1.08	1.04 - 1.12	0.60	<0.001	1.11	1.06 - 1.15
Southern	0.67	<0.001	1.10	1.06 - 1.14	0.68	<0.001	1.15	1.11 - 1.19
Mid-western	0.63	<0.001	1.12	1.09 - 1.16	0.64	<0.001	1.15	1.11 - 1.18

	Female
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.37	<0.001	0.96	0.93 - 0.99	0.42	<0.001	1.03	1.01 - 1.05
Northern	0.42	<0.001	1.00	0.95 - 1.05	0.46	<0.001	1.09	1.04 - 1.15
Northeastern	0.41	<0.001	0.96	0.92 - 0.99	0.49	<0.001	1.04	1.01 - 1.06
Southeastern	0.34	<0.001	0.94	0.89 – 1.00	0.38	<0.001	0.99	0.95 - 1.03
Southern	0.33	<0.001	0.96	0.86 - 1.06	0.35	<0.001	1.08	1.01 - 1.15
Mid-western	0.36	<0.001	1.04	0.97 - 1.11	0.48	<0.001	1.10	1.04 - 1.16
	Male
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.31	<0.001	1.08	1.04 - 1.11	0.33	<0.001	1.13	1.08 - 1.17
Northern	0.31	<0.001	1.06	1.00 - 1.12	0.30	<0.001	1.16	1.09 - 1.23
Northeastern	0.26	<0.001	1.01	0.96 - 1.07	0.33	<0.001	1.14	1.09 - 1.19
Southeastern	0.34	<0.001	1.10	1.04 - 1.17	0.32	<0.001	1.09	1.00 - 1.17
Southern	0.30	<0.001	1.07	0.99 - 1.15	0.35	<0.001	1.20	1.12 - 1.28
Mid-western	0.31	<0.001	1.10	1.03 - 1.17	0.34	<0.001	1.13	1.05 - 1.21

	Female
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.17	<0.001	1.43	1.36 - 1.51	0.19	<0.001	1.58	1.51 - 1.65
Northern	0.16	<0.001	1.53	1.38 - 1.69	0.18	<0.001	1.72	1.53 - 1.91
Northeastern	0.13	<0.001	1.35	1.25 - 1.45	0.15	<0.001	1.57	1.46 - 1.68
Southeastern	0.18	<0.001	1.43	1.30 - 1.57	0.19	<0.001	1.53	1.40 - 1.67
Southern	0.23	<0.001	1.64	1.40 - 1.88	0.24	<0.001	1.65	1.49 - 1.80
Mid-western	0.23	<0.001	1.59	1.45 - 1.74	0.23	<0.001	1.86	1.67 - 2.05
	Male
	Capital				Non capital
	R²	p	B	CI (95%)	R²	p	B	CI (95%)
Brazil	0.19	<0.001	1.55	1.46 - 1.63	0.23	<0.001	1.69	1.60 - 1.78
Northern	0.17	<0.001	1.57	1.45 - 1.69	0.23	<0.001	1.69	1.57 - 1.80
Northeastern	0.18	<0.001	1.52	1.43 - 1.62	0.19	<0.001	1.53	1.43 - 1.63
Southeastern	0.18	<0.001	1.51	1.34 - 1.69	0.26	<0.001	1.74	1.55 - 1.92
Southern	0.15	<0.001	1.49	1.31 - 1.68	0.20	<0.001	1.75	1.56 - 1.94
Mid-western	0.25	<0.001	1.72	1.59 - 1.86	0.24	<0.001	1.80	1.62 - 1.97

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[1] Corresponding author Roberto Jerônimo dos Santos Silva Graduate Program in Physical Education Department of Physical Education Federal University of Sergipe, São Cristóvão, Brazil.Av. Marechal Rondon s/n CEP: 49.100-000 Email: rjeronimoss@gmail.com