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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) ¥
 OverallWalkingNon walking
CharacteristicsMean (95% CI)p-value#Mean (95% CI)p-value#Mean (95% CI)p-value#
Maternal age (years) 0.465 0.656 0.320
  < 2026.9 (25.5; 28.4) 28.4 (26.2; 30.5) 25.4 (23.5; 27.3) 
 20–2926.2 (25.6; 26.8) 27.5 (26.7; 28.3) 24.9 (24.1; 25.8) 
 30–3926.8 (26.1; 27.5) 28.0 (26.8; 29.1) 25.9 (25.0; 26.7) 
  ≥ 4027.4 (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) 
 226.5 (25.5; 27.5) 28.5 (27.0; 30.1) 24.9 (23.7; 26.1) 
 327.1 (26.2; 27.9) 28.1 (26.8; 29.4) 25.8 (24.7; 26.9) 
 427.0 (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
 027.2 (25.4; 29.1) 28.7 (25.9; 31.6) 25.5 (23.1; 27.9) 
 1–827.5 (26.4; 28.5) 29.5 (28.0; 31.1) 25.4 (24.0; 26.9) 
 9–1126.7 (26.1; 27.3) 27.8 (26.8; 28.7) 25.6 (24.8; 26.5) 
 ≥1225.8 (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
 026.7 (25.3; 28.1) 28.1 (25.9; 30.3) 25.2 (23.4; 27.0) 
 1–826.2 (25.4; 27.1) 26.7 (25.4; 27.9) 25.8 (24.7; 27.0) 
 9–1126.7 (26.1; 27.4) 28.3 (37.3; 29.3) 25.3 (24.4; 26.2) 
  ≥ 1226.6 (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) 
 227.2 (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
 Yes26.3 (24.5; 28;0) 27.8 (27.2; 28.4) 25.2 (23.1; 27.2) 
 No26.6 (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
 Female25.6 (25.0; 26.2) 26.8 (25.9; 27.7) 24.6 (23.8; 25.3) 
 Male27.4 (26.8; 27.9) 28.6 (27.8; 29.4) 26.1 (25.4; 26.8) 
Preterm birth 0.554 0.749 0.747
 Yes26.2 (25.0; 27.4) 27.5 (25.4; 29.5) 25.2 (23.8; 26.6) 
 No26.6 (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 sd24.7 (22.6; 26.8) 23.8 (20.1; 27.5) 25.3 (22.8; 27.8) 
  ≥ − 2 sd26.6 (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
 026.9 (26.3; 27.4) 28.1 (27.2; 29.0) 25.7 (24.9; 26.5) 
 126.1 (25.4; 26.7) 27.4 (26.3; 28.4) 24.9 (24.0; 25.8) 
  ≥ 226.7 (25.6; 27.8) 27.7 (26.0; 29.4) 25.6 (24.1; 27.2) 
Daycare attendance 0.148 0.046 0.930
 No26.8 (26.3; 27.3) 28.2 (27.5; 28.9) 25.6 (25.0; 26.2) 
 Public24.5 (22.1; 26.8) 26.8 (23.1; 30.5) 22.5 (19.5; 25.4) 
 Private25.3 (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
 Yes26.0 (24.7; 27.4) 27.5 (25.3; 29.7) 24.9 (23.2; 26.6) 
 No26.7 (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) 
 226.5 (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) 
 226.8 (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)