TABLE 2

Relation of School Day (y/n) and Participant Demographic and Anthropometric Characteristics to MVPA Minutes per Day in Each Location (N = 549)

MVPA in Each Location
All LocationsAt HomeNear HomeAt SchoolNear SchoolOther Locations
B (95% CI), min/d% DifferenceaPB (95% CI), min/d% DifferenceaPB (95% CI), min/d% DifferenceaPB (95% CI), min/d% DifferenceaPB (95% CI), min/d% DifferenceaPB (95% CI), min/d% DifferenceaP
Weighted grand mean39.47.45.916.72.27.2
School day (vs nonschool day)9.3 (7.9 to 10.8)26.8<.001−6.8 (−7.6 to −6.0)−63.0<.001−1.4 (−2.1 to −0.7)−21.2<.00122.7 (21.8 to 23.6)424.3<.0010.5 (0.1 to 0.9)25.6.015−5.6 (−6.6 to 4.6)−56.0<.001
Age, y−0.7 (−1.8 to 0.3)−1.8.163−0.7 (−1.2 to −0.2)−9.0.007−0.3 (−0.8 to 0.3)−5.0.3260.5 (−0.5 to 0.6)3.0.8630 (−0.3 to 0.2)0.7720.2 (−0.3 to 0.8)2.8.365
Girls (vs boys)−15.0 (−18.1 to 12.0)−32.0<.001−3.7 (−5.2 to −2.2)−40.0<.001−2.6 (−4.2 to −1.0)−36.1.001−5.5 (−7.0 to −3.9)−28.3<.001−0.6 (−1.2 to 0.1)−24.0.094−2.6 (−4.1 to −1.2)−30.6.001
White non-Hispanic (vs nonwhite or Hispanic)−0.9 (−4.2 to 2.4)−2.3.5850.1 (−1.5 to 1.7)1.4.920−1.4 (−3.1 to 0.4)−21.2.1210.4 (−1.3 to 2.1)2.4.654−0.5 (−1.2 to 0.2)−20.4.1860.5 (−1.1 to 2.1)7.2.519
Parent ≥college grad (vs parent <college grad)0.3 (−3.0 to 3.5)0.8.8751.4 (−0.2 to 3.0)20.9.078−1.1 (−2.9 to 0.6)−17.1.1940.2 (−1.4 to 1.9)1.2.7790.3 (−0.4 to 1.1)14.6.345−0.6 (−2.2 to 1.0)−8.0.481
BMI (percentile/10)−0.7 (−1.3 to −0.2)−1.8.011−0.1 (−0.3 to 0.2)−1.3.629−0.3 (−0.6 to 0)−5.0.065−0.3 (−0.6 to 0)−1.8.0850 (−0.1 to 0.1)0.848−0.1 (−0.4 to 0.1)−1.4.325
  • From mixed-effects linear multivariable regression models adjusted for neighborhood income and walkability and nesting of days within participants and participants within block groups. B, unstandardized regression coefficient, interpreted as minutes per day of MVPA; CI, confidence interval.

  • a Difference between the 2 demographic categories of interest (reference category is in parentheses) or for a 1-y increase in age or 10-percentile increase in BMI.