Table 2.

Daily step counts and relative fitness in adulthood according to changes in fitness from childhood to adulthood

	Physical activity		Fitness
	n	Steps/day	n	W/kg
Persistent unfit	82	8,948 ± 2,593	89	2.33 ± 0.29
Decreasing fitness	167	8,461 ± 3,093	163	2.65 ± 0.38
Persistent moderate fitness	63	9,300 ± 2,921	66	2.97 ± 0.18
Increasing fitness	148	9,908 ± 4,407	164	3.45 ± 0.46
Persistent high fitness	74	9,262 ± 3,164	77	3.81 ± 0.51
P		0.007		<0.001

Data are means ± SD unless otherwise indicated.