Table 2.

Characteristics of preschoolers in the sample.

	Y-19	Y-20
Preschoolers	143	95
Sex (% female)	51.1	53.7
Age (months)	51.5 ± 8.1	50.3 ± 7.9
BMI for age	15.8 ± 1.6	16.4 ± 2.6 *
Accelerometer wear time (h)	43.2 ± 10.6	41.0 ± 12.4
Number of valid days (d)	5.9 ± 1.0	5.9 ± 1.1

* Significantly different at p < 0.05.