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Table 2 Crude 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)

 

0.053

 

0.277

 

0.333

  < 20

27.0 (26.4; 27.6)

 

28.4 (27.5; 29.3)

 

25.8 (25.0; 26.6)

 

 20–29

26.3 (25.9; 26.6)

 

27.7 (27.2; 28.2)

 

25.0 (24.5; 25.4)

 

 30–39

26.3 (25.9; 26.7)

 

27.6 (27.0; 28.2)

 

25.2 (24.7; 25.7)

 

  ≥ 40

25.5 (24.1; 26.9)

 

27.9 (25.6; 30.2)

 

24.3 (22.5; 26.0)

 

Assets index (quintiles)

 

0.814

 

0.108

 

0.625

 1 (poorest)

26.1 (25.6; 26.6)

 

27.7 (26.9; 28.5)

 

24.9 (24.3; 25.6)

 

 2

26.5 (26.0; 27.0)

 

28.4 (27.6; 29.3)

 

25.0 (24.3; 25.6)

 

 3

26.8 (26.3; 27.3)

 

28.2 (27.4; 29.0)

 

25.6 (24.9; 26.3)

 

 4

26.2 (25.7; 26.7)

 

27.0 (26.3; 27.8)

 

25.5 (24.8; 26.2)

 

 5 (richest)

26.1 (25.6; 26.7)

 

27.3 (26.4; 28.2)

 

24.9 (24.2; 25.6)

 

Maternal schooling (years)

 

0.286

 

0.005

 

0.883

 0

26.6 (25.8; 27.4)

 

29.0 (27.7; 30.4)

 

25.2 (24.3; 26.1)

 

 1–8

26.5 (26.0; 26.9)

 

28.1 (27.4; 28.8)

 

25.0 (24.4; 25.6)

 

 9–11

26.4 (26.0; 26.8)

 

27.8 (28.2; 28.4)

 

25.2 (24.7; 25.7)

 

 ≥12

26.2 (25.8; 26.6)

 

27.1 (26.5; 27.8)

 

25.2 (24.6; 25.8)

 

Paternal schooling (years)

 

0.974

 

0.163

 

0.940

 0

26.0 (25.3; 26.6)

 

28.1 (27.0; 29.2)

 

24.8 (24.0; 25.6)

 

 1–8

26.6 (26.2; 27.1)

 

27.7 (27.1; 28.4)

 

25.6 (25.0; 26.2)

 

 9–11

26.4 (25.9; 26.8)

 

28.1 (27.4; 28.8)

 

25.0 (24.4; 25.5)

 

  ≥ 12

26.2 (25.7; 26.7)

 

27.0 (26.3; 27.8)

 

25.2 (24.5; 25.9)

 

Maternal PA during pregnancy (tertiles)ǂ

 

< 0.001

 

< 0.001

 

0.050

 1 (lowest)

25.3 (24.8; 25.9)

 

25.9 (25.1; 26.8)

 

24.7 (24.0; 25.4)

 

 2

26.7 (26.2; 27.3)

 

28.2 (27.4; 29.1)

 

25.3 (24.6; 26.0)

 

 3 (highest)

27.5 (26.9; 28.0)

 

28.9 (28.1; 29.7)

 

25.7 (25.0; 26.5)

 

Low birthweight

 

0.703

 

0.399

 

0.831

 Yes

26.4 (26.2; 26.6)

 

28.4 (26.9; 29.8)

 

25.3 (24.4; 26.1)

 

 No

26.2 (25.5; 27.0)

 

27.7 (27.4; 28.1)

 

25.1 (24.8; 25.5)

 

Infant’s sex

 

< 0.001

 

0.0015

 

< 0.001

 Female

25.8 (25.4; 26.1)

 

27.2 (26.6; 27.7)

 

24.5 (24.1; 25.0)

 

 Male

26.7 (26.6; 27.3)

 

28.3 (27.8; 28.8)

 

25.7 (25.3; 26.1)

 

Preterm birth

 

0.561

 

0.680

 

0.736

 Yes

26.2 (25.6; 26.8)

 

28.0 (26.9; 29.0)

 

25.3 (24.6; 26.0)

 

 No

26.4 (25.6; 26.8)

 

27.8 (27.4; 28.1)

 

25.1 (24.8; 25.5)

 

Length-for-age (z-score)

 

0.062

 

0.278

 

0.724

  < −2 sd

25.3 (24.1; 26.4)

 

26.7 (24.7; 28.7)

 

24.9 (23.5; 26.3)

 

  ≥ − 2 sd

26.4 (26.1; 26.6)

 

27.8 (27.4; 28.2)

 

25.2 (24.8; 25.5)

 

Number of siblings

 

0.111

 

0.125

 

0.009

 0

26.7 (26.3; 27.0)

 

27.6 (27.1; 28.1)

 

25.7 (25.2; 26.1)

 

 1

26.0 (25.6; 26.4)

 

27.6 (26.9; 28.2)

 

24.7 (24.2; 25.3)

 

  ≥ 2

26.3 (25.8; 26.8)

 

28.6 (27.7; 29.4)

 

24.7 (24.0; 25.4)

 

Daycare attendance

 

0.030

 

0.019

 

0.567

 No

26.5 (26.2; 26.7)

 

27.9 (27.6; 28.3)

 

25.2 (24.9; 25.5)

 

 Public

25.1 (23.8; 26.4)

 

27.2 (25.2; 29.3)

 

23.5 (21.8; 25.1)

 

 Private

25.8 (25.0; 26.5)

 

26.5 (25.3; 27.7)

 

25.2 (24.2; 26.2)

 

Contact with other children

 

0.095

 

0.023

 

0.771

 Yes

25.9 (25.3; 26.5)

 

26.7 (25.8; 27.7)

 

25.3 (24.5; 26.1)

 

 No

26.5 (26.2; 26.7)

 

27.9 (27.6; 28.3)

 

25.1 (24.8; 25.5)

 

Motor development (tertiles)

 

< 0.001

 

0.344

 

0.179

 1 (lowest)

25.7 (25.3; 26.1)

 

27.8 (26.8; 28.9)

 

25.3 (24.9; 25.7)

 

 2

26.1 (25.7; 26.5)

 

27.3 (26.7; 28.0)

 

25.0 (24.4; 25.5)

 

 3 (highest)

27.5 (27.0; 27.9)

 

28.0 (27.5; 28.5)

 

24.7 (23.8; 25.7)

 

Paternal PA (tertiles)

 

< 0.001

 

0.0025

 

0.003

 1 (lowest)

25.5 (25.0; 26.0)

 

26.5 (25.8; 27.3)

 

24.5 (23.8; 25.2)

 

 2

26.7 (26.2; 27.2)

 

28.0 (27.3; 28.7)

 

25.4 (24.7; 26.1)

 

 3 (highest)

27.0 (26.5; 27.4)

 

28.3 (27.4; 28.9)

 

25.9 (25.2; 26.5)

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