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) |