Table 3

Effect of the physical activity on BMC at follow up
Variable Coefficient estimate Standard error P- value
BMC baseline 0.44 0.03 <0.001
BA follow up 0.97 0.04 <0.001
Gender 35.20 9.50 <0.001
<a onClick="popup('http://www.biomedcentral.com/1471-2431/13/32/mathml/M8','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2431/13/32/mathml/M8">View MathML</a> 20.94 6.58 0.001
<a onClick="popup('http://www.biomedcentral.com/1471-2431/13/32/mathml/M9','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2431/13/32/mathml/M9">View MathML</a> 27.77 8.17 0.001
Gender # θs −36.03 13.11 0.006
Height follow up −3.96 0.17 <0.001
Puberty follow up 29.99 3.52 <0.001
Gender # puberty −16.95 5.14 0.001

Note: πmhs, πl represents the percentage of the total time spent in, moderate-high, sedentary and low intensity activity respectively. #: Interaction. The girls were chosen as the reference level for gender.

Heidemann et al.

Heidemann et al. BMC Pediatrics 2013 13:32   doi:10.1186/1471-2431-13-32

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