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Fig. 4 | BMC Pediatrics

Fig. 4

From: The relationship between foot arch measurements and walking parameters in children

Fig. 4

Plot of step length by age in years. The diamonds indicate the average measured step length for participants of each age in years. The black line depicts the model predictions for estimated coefficients with high values (i.e., 3rd quartile) of KI and CSI. The grey line depicts the average model predictions for all other combinations of high and low values of KI and CSI, for high and low values of BMI as well. Error bars around the grey curve indicate two standard errors around these average predictions for all but the High-KI/High-CSI case. The figure shows that the High-KI/High-CSI line (black line) captures the growth of step length over the earlier years of childhood (age 2 to, roughly, 8 or 9) better than the average model predictions depicting other combinations of KI and CSI (grey line). These differences suggest that early childhood growth of step length may be promoted by the combination of a high KI and a high CSI

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