Table 3.

Comparisons of heart rates and energy expenditures of control and intervention children at posttest

	Control	Intervention
Average heart rates (bpm/min) during outdoor play at center †	120 (SD 17; range 78–169)	128 (SD 18; range 85–181)
Daily moderate and vigorous physical activity expenditure at center (Kcal) ‡	152.00 (SD 42.11)	242.08 (SD 73.40)
Daily moderate and vigorous physical activity expenditure outside childcare (Kcal) ‡	137.56 (SD 2.98)	196.11 (SD 4.26)
Daily moderate and vigorous physical activity minutes at center (min)‡	30.91 (SD 8.99)	59.76 (SD 10.54)
Daily moderate and vigorous physical activity minutes outside center (min)‡	21.44(SD 4.75)	35.67(SD6.41)
Daily moderate and vigorous physical activity minutes on weekend days (min)‡	50.03(SD18.02)	68.97 (SD19.57)

Children attended childcare from 8 am to 5 pm including lunch and a noontime nap. † α ≤ 0.01; ‡ α ≤ 0.0001.