Table 5. Overall Time Spent in Moderate-to-Vigorous Physical Activity (MVPA) and Percentage of Participants Achieving Physical Activity Targets, Build Our Kids’ Success Evaluation, Massachusetts, 2018.
| Measure | Total (N = 84) | Elementary School 1 (N = 30) | Elementary School 2 (N = 39) | Middle School (N = 15) | P Value |
|---|---|---|---|---|---|
| Mean wear time, mean (SD), min | 48.0 (11.6) | 44.7 (0.4) | 59.9 (0.28) | 29.0 (1.3) | <.001a |
| MVPA, mean (SD), min | 16.3 (9.3) | 15.8 (6.0) | 19.1 (11.6) | 9.7 (2.0) | .003a |
| Percentage of sessions in MVPA, mean (SD) | 33 (16.0) | 35 (14.0) | 32 (19.0) | 33 (7.0) | .68 |
| Students achieving physical activity target, no. (%) | |||||
| ≥5 min of MVPA | 84 (100.0) | 30 (100.0) | 39 (100.0) | 15 (100.0) | —b |
| ≥10 min of MVPA | 64 (76.2) | 23 (76.7) | 36 (92.3) | 5 (33.3) | —b |
| ≥15 min of MVPA | 32 (38) | 14 (47) | 18 (46) | 0 | —b |
| ≥20 min of MVPA | 21 (25) | 10 (33) | 11 (28) | 0 | —b |
| ≥30 min of MVPA | 6 (7) | 0 | 6 (15) | 0 | —b |
Abbreviation: NA, not applicable.
a
One-way ANOVA used for continuous variables of minutes and percentage of time spent in MVPA.
b
χ2 tests not performed because of insufficient sample size for categorical variables of student percentage meeting physical activity targets.