Table 2

Changes in physical activity from baseline to 12-month follow-up (minutes MVPA, % wear time in MVPA, % meeting PA Guidelines)

OutcomeInterventionControlIntervention-ControlGroup×time p value
BASELINE
(n=524)
MIDPOINT
(n=352)
p ValueBASELINE
(n=435)
MIDPOINT
(n=288)
p ValueAdjusted difference between treatment group (95% CI)
Minutes of physical activity (mean min/day)
 Total MVPA53.354.20.5553.650.80.073.85 (0.79 to 6.91)0.01*
 Vigorous activity16.618.00.0716.916.20.372.45 (0.90 to 4.00)0.002
 Moderate activity36.736.20.5236.734.60.021.41 (−0.50 to 3.33)0.15
 Counts per minute482.2476.20.58486.1452.30.00231.02 (9.05 to 53.00)0.01
Percentage of wear time
 Percentage MVPA6.76.90.446.76.40.100.50 (0.11 to 0.90)0.01
 Percentage vigorous2.12.30.052.12.00.400.32 (0.12 to 0.52)0.001
 Percentage moderate4.64.60.704.64.40.040.18 (−0.06 to 0.43)0.15