Baseline | 4-month follow-up | 12-month follow-up | Between group difference or OR at 12 months* Mean (95% CI) P value | ||||

Control Mean (SD) Median (IQR) or n/N (%) | Intervention Mean (SD) Median (IQR) or n/N (%) | Control Mean (SD) Median (IQR) or n/N (%) | Intervention Mean (SD) Median (IQR) or n/N (%) | Control Mean (SD) Median (IQR) or n/N (%) | Intervention Mean (SD) n, Median (IQR) or n/N (%) | ||

Achievement of at least 150 min of weekly MVPA in ≥10 min bouts† | 8/201 (4%) | 9/207 (4%) | 2/128 (2%) | 7/109 (6%) | 3/133 (2%) | 6/110 (5%) | OR: 3.80 (0.16 to 20.92), 0.12 |

Achievement of at least 150 min of weekly MVPA† | 149/201 (74%) | 178/207 (86%) | 98/128 (76%) | 99/109 (91%) | 99/133 (74%) | 93/110 (85%) | OR: 1.67 (0.82 to 3.42), 0.16 |

Self-reported MVPA weekly minutes | N=220, 213.5 (352.7) 65.0 (0–285.0) | N=220, 204.0 (375.6) 47.5 (0–247.5) | N=183, 318.0 (517.6) 95.7 (0–305.2) | N=166, 306.1 (430.5) 105.0 (0–314.1) | N=170, 228.3 (424.4) 85.0 (0–285.0) | N=154, 252.7 (426.2) 130.0 (0–320.2) | 49.3 (−36.3 to 135.0) 0.26 |

Achievement of at least 150 min of weekly MVPA self-reported | 83/220 (37%) | 77/220 (48%) | 94/183 (51%) | 88/166 (53%) | 76/170 (45%) | 76/154 (49%) | OR: 1.23 (0.79 to 1.90), 0.36 |

Average daily diurnal inactivity (hours)† | N=199, 1.7 (1.1) | N=205, 1.5 (1.1) | N=125, 1.4 (1.1) | N=109, 1.4 (0.9) | N=99, 1.4 (1.0) | N=78, 1.5 (1.0) | 0.6 (0.5 to 0.7),<0.0001 |

Average daily sleep (hours)† | N=199, 6.8 (1.5) | N=205, 6.9 (1.2) | N=125, 6.7 (1.3) | N=109, 6.7 (1.4) | N=128, 6.8 (1.5) | N=110, 7.0 (1.5) | 0.3 (−0.1 to 0.6), 0.11 |

EQ-5D-5L (Devlin values) | N=216, 0.74 (0.24) | N=215, 0.76 (0.23) | N=162, 0.72 (0.26) | N=148, 0.76 (0.25) | N=158, 0.72 (0.26) | N=138, 0.73 (0.27) | 0.00 (−0.4 to 0.05) 0.89 |

HADS-D | N=217, 7.6 (4.5) | N=214, 7.4 (4.7) | N=164, 7.4 (4.8) | N=147, 6.0 (4.7) | N=156, 7.1 (4.8) | N=139, 6.3 (5.1) | −0.2 (−1.0 to 0.6), 0.44 |

HADS-A | N=217, 8.7 (4.6) | N=214, 8.6 (5.1) | N=164, 8.5 (4.8) | N=146, 7.5 (5.0) | N=156, 8.4 (4.8) | N=139, 7.6 (5.2) | −0.5 (−1.2 to 0.2), 0.20 |

Median (IQR) reported for accelerometry and self-report continuous PA outcomes only.

*Adjusted for baseline MVPA, age, gender, site and minimisation variables.

†Non-bouted accelerometer recorded MVPA adjusted for baseline outcome value, age, gender, site and minimisation variables.

HADS-A, Hospital Anxiety & Depression Scale - Anxiety; HADS-D, Hospital Anxiety & Depression Scale - Depression; MVPA, moderate-to-vigorous physical activity.