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Table 3 Adjusted association between physical activity (mg) and antenatal, perinatal and one-year characteristics among one-year-old infants. 2015 Pelotas birth cohort, RS - Brazil

From: Objectively measured physical activity in one-year-old children from a Brazilian cohort: levels, patterns and determinants

 

Acceleration (mg) ¥

 

Overall

Walking

Non walking

Characteristics

Mean (95% CI)

p-value#

Mean (95% CI)

p-value#

Mean (95% CI)

p-value#

Maternal age (years)

 

0.465

 

0.656

 

0.320

  < 20

26.9 (25.5; 28.4)

 

28.4 (26.2; 30.5)

 

25.4 (23.5; 27.3)

 

 20–29

26.2 (25.6; 26.8)

 

27.5 (26.7; 28.3)

 

24.9 (24.1; 25.8)

 

 30–39

26.8 (26.1; 27.5)

 

28.0 (26.8; 29.1)

 

25.9 (25.0; 26.7)

 

  ≥ 40

27.4 (25.1; 29.6)

 

29.4 (25.8; 32.9)

 

25.8 (23.0; 28.6)

 

Assets index (quintiles)

 

0.116

 

0.351

 

0.191

 1 (poorest)

25.1 (23.9; 26.3)

 

26.1 (24.3; 27.8)

 

24.1 (22.7; 25.9)

 

 2

26.5 (25.5; 27.5)

 

28.5 (27.0; 30.1)

 

24.9 (23.7; 26.1)

 

 3

27.1 (26.2; 27.9)

 

28.1 (26.8; 29.4)

 

25.8 (24.7; 26.9)

 

 4

27.0 (26.1; 27.8)

 

28.1 (26.9; 29.2)

 

25.9 (24.8; 27.0)

 

 5 (richest)

26.6 (25.6; 27.5)

 

27.7 (26.1; 29.2)

 

25.6 (24.3; 26.8)

 

Maternal schooling (years)

 

0.047

 

0.028

 

0.744

 0

27.2 (25.4; 29.1)

 

28.7 (25.9; 31.6)

 

25.5 (23.1; 27.9)

 

 1–8

27.5 (26.4; 28.5)

 

29.5 (28.0; 31.1)

 

25.4 (24.0; 26.9)

 

 9–11

26.7 (26.1; 27.3)

 

27.8 (26.8; 28.7)

 

25.6 (24.8; 26.5)

 

 ≥12

25.8 (25.1; 26.6)

 

26.8 (25.6; 27.9)

 

25.1 (24.1; 26.1)

 

Paternal schooling (years)

 

0.785

 

0.411

 

0.726

 0

26.7 (25.3; 28.1)

 

28.1 (25.9; 30.3)

 

25.2 (23.4; 27.0)

 

 1–8

26.2 (25.4; 27.1)

 

26.7 (25.4; 27.9)

 

25.8 (24.7; 27.0)

 

 9–11

26.7 (26.1; 27.4)

 

28.3 (37.3; 29.3)

 

25.3 (24.4; 26.2)

 

  ≥ 12

26.6 (25.7; 27.5)

 

28.1 (26.7; 29.4)

 

25.2 (24.0; 26.4)

 

Maternal PA during pregnancy (tertiles)ǂ

 

< 0.001

 

< 0.001

 

0.013

 1 (lowest)

25.1 (24.4; 25.8)

 

25.9 (24.9; 27.0)

 

24.4 (23.5; 25.3)

 

 2

27.2 (26.5; 27.8)

 

28.6 (27.6; 29.6)

 

25.8 (24.9; 26.6)

 

 3 (highest)

27.4 (26.7; 28.1)

 

28.8 (27.8; 29.8)

 

26.1 (25.1; 27.0)

 

Low birthweight

 

0.733

 

0.932

 

0.783

 Yes

26.3 (24.5; 28;0)

 

27.8 (27.2; 28.4)

 

25.2 (23.1; 27.2)

 

 No

26.6 (26.2; 27.0)

 

27.6 (24.4; 30.9)

 

25.4 (24.9; 26.0)

 

Infant’s sex

 

< 0.001

 

0.003

 

0.004

 Female

25.6 (25.0; 26.2)

 

26.8 (25.9; 27.7)

 

24.6 (23.8; 25.3)

 

 Male

27.4 (26.8; 27.9)

 

28.6 (27.8; 29.4)

 

26.1 (25.4; 26.8)

 

Preterm birth

 

0.554

 

0.749

 

0.747

 Yes

26.2 (25.0; 27.4)

 

27.5 (25.4; 29.5)

 

25.2 (23.8; 26.6)

 

 No

26.6 (26.2; 27.0)

 

27.8 (27.1; 28.4)

 

25.4 (24.9; 26.0)

 

Length-for-age (z-score)

 

0.085

 

0.031

 

0.933

  < −2 sd

24.7 (22.6; 26.8)

 

23.8 (20.1; 27.5)

 

25.3 (22.8; 27.8)

 

  ≥ − 2 sd

26.6 (26.2; 27.0)

 

27.9 (27.3; 28.5)

 

25.4 (24.9; 25.9)

 

Number of siblings

 

0.464

 

0.562

 

0.620

 0

26.9 (26.3; 27.4)

 

28.1 (27.2; 29.0)

 

25.7 (24.9; 26.5)

 

 1

26.1 (25.4; 26.7)

 

27.4 (26.3; 28.4)

 

24.9 (24.0; 25.8)

 

  ≥ 2

26.7 (25.6; 27.8)

 

27.7 (26.0; 29.4)

 

25.6 (24.1; 27.2)

 

Daycare attendance

 

0.148

 

0.046

 

0.930

 No

26.8 (26.3; 27.3)

 

28.2 (27.5; 28.9)

 

25.6 (25.0; 26.2)

 

 Public

24.5 (22.1; 26.8)

 

26.8 (23.1; 30.5)

 

22.5 (19.5; 25.4)

 

 Private

25.3 (23.5; 27.0)

 

25.2 (22.6; 27.8)

 

25.4 (23.1; 27.6)

 

Contact with other children

 

0.430

 

0.811

 

0.524

 Yes

26.0 (24.7; 27.4)

 

27.5 (25.3; 29.7)

 

24.9 (23.2; 26.6)

 

 No

26.7 (26.2; 27.1)

 

27.8 (27.1; 28.6)

 

25.5 (24.9; 26.1)

 

Motor development (tertiles)

 

0.016

 

0.619

 

0.134

 1 (lowest)

26.0 (25.3; 26.7)

 

27.5 (25.8; 29.2)

 

25.6 (25.0; 26.3)

 

 2

26.5 (25.8; 27.3)

 

27.6 (26.5; 28.8)

 

25.4 (24.5; 26.4)

 

 3 (highest)

27.2 (26.5; 27.8)

 

27.9 (27.1; 28.7)

 

24.2 (22.8; 25.7)

 

Paternal PA (tertiles)

 

0.003

 

0.006

 

0.226

 1 (lowest)

25.6 (24.9; 26.4)

 

26.5 (25.4; 27.6)

 

24.9 (24.0; 25.8)

 

 2

26.8 (26.1; 27.5)

 

28.0 (27.0; 28.9)

 

25.7 (24.8; 26.6)

 

 3 (highest)

27.2 (26.5; 28.0)

 

28.8 (27.7; 29.9)

 

25.7 (24.7; 26.7)

 
  1. ¥ Adjusted marginal means obtained through linear regression # Heterogeneity p-value ǂVariable with highest missing values (n = 1463)