Table 2.

Objectively measured habitual school-time^a physical activity and sedentary behaviour for intervention and control groups at baseline (T0) and week 12 (T1)

Time (min/day)	T0		T1
	Mean	SD	Mean	SD	Change (95% CI)	p valueb
Sedentaryc
Controld	310.30	24.85	308.31	38.22	−1.99 (−11.06–6.80)	0.013
Interventiond	325.13	21.80	316.31	24.28	−8.82 (−13.99– -3.64)
Light PAc
Control	118.56	20.32	116.42	21.83	−2.14 (−6.73–2.45)	0.018
Intervention	104.84	18.96	113.11	23.10	8.27 (3.22–13.32)
Moderate PAc
Control	16.80	6.39	19.84	7.91	3.05 (1.64–4.44)	0.122
Intervention	15.57	5.92	17.61	5.62	2.04 (0.52–3.57)
Vigorous PAc
Control	5.34	4.16	6.42	6.05	0.89 (−0.24–2.37)	0.071
Intervention	5.12	3.86	3.97	3.15	−1.15 (−2.03– -0.26)
Total PAc
Control	140.52	24.85	142.67	28.64	1.24 (−3.88–7.82)	0.007
Intervention	125.52	22.00	134.69	24.28	9.17 (3.92–14.41)

PA Physical activity

^aSchool-time filter (08:30–16:00)

^bDifferences between groups compared using mixed between-within subjects ANOVA

^cEvenson cut-points [35]

^dParticipants with ≥ 3 days valid wear included in analysis (n = 65 control, n = 52 intervention)