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Table 3 Objectively-measured physical activity levels at 13.3 years (counts) according to weight and length/height trajectories: linear regressions analysis (N=457)

From: Infancy and childhood growth and physical activity in adolescence: prospective birth cohort study from Brazil

Variable

Unadjusted analysis

Adjusted analysis*

Weight

Coefficient (95%CI)

P

Coefficient (95%CI)

P

 Birth

-8.6 (-20.5; 3.2)

0.15

-13.1 (-32.9; 6.6)

0.19

 1 month

-6.0 (-19.4; 7.5)

0.38

-2.8 (-19.7; 14.1)

0.89

 3 months

-11.9 (-25.8; 2.2)

0.10

2.9 (-12.7; 18.4)

0.72

 6 months

-2.0 (-16.4; 12.4)

0.78

8.1 (-6.8; 23.1)

0.29

 1 year

-6.4 (-21.5; 8.7)

0.38

4.5 (-10.7; 19.6)

0.56

 4 years

-15.5 (-30.7; -0.2)

0.05

-8.6 (-27.1; 10.0)

0.37

Length/height

    

 Birth

-9.1 (-20.3; 2.1)

0.11

5.9 (-11.7; 23.5)

0.51

 1 month

-5.7 (-19.0; 7.6)

0.40

8.2 (-10.6; 27.0)

0.39

 3 months

-20.6 (-34.5; -6.7)

0.01

-18.0 (-33.0; -2.9)

0.02

 6 months

-11.7 (-25.4; 2.0)

0.09

-11.3 (-26.0; 6.4)

0.13

 1 year

-16.3 (-29.9; -2.8)

0.02

-23.4 (-39.7; -7.4)

0.01

 4 years

-3.0 (-19.8; 13.9)

0.73

12.5 (-5.0; 30.1)

0.16

  1. * Adjusted for sex, gestational age, family income, maternal schooling, maternal body mass index, maternal smoking during pregnancy, and all other weight and length/height variables.