Results of a feasibility cluster randomised controlled trial of a peer-led school-based intervention to increase the physical activity of adolescent girls (PLAN-A)

Table 5 Adjusted between-group differences in physical activity variables at Time 1 and Time 2

	Control		Intervention
Variable	n	Mean ± SD	n	Mean ± SD	Intervention vs. control adjusted difference in means (95% CI)^a
	Time 0
Mean weekday MVPA (mins)^b	128	59.79 ± 21.57	225	55.07 ± 21.57	-
Mean weekend day MVPA (mins)	69	45.33 ± 31.31	154	45.11 ± 30.53	-
Mean weekday sedentary (mins)	128	471.84 ± 73.98	225	503.40 ± 79.74	-
Mean weekend sedentary (mins)	69	442.05 ± 121.07	154	451.11 ± 95.00	-
	Time 1
Mean weekday MVPA (mins)^b	95	61.19 ± 22.10	177	60.72 ± 22.45	1.11 [-4.31, 6.55]
Mean weekend day MVPA (mins)	37	45.07 ± 30.21	91	41.80 ± 27.49	-3.88 [-13.57, 5.81]
Mean weekday sedentary (mins)	95	522.37 ± 87.74	177	509.87 ± 81.67	-31.8 [-57.44, -6.18]
Mean weekend sedentary (mins)	37	461.29 ± 112.19	91	534.73 ± 188.56	67.43 [-51.34, 186.20]
	Time 2
Mean weekday MVPA (mins)^b	81	54.31 ±19.56	162	58.65 ± 22.21	6.09 [1.43, 10.76]
Mean weekend day MVPA (mins)	35	37.95 ± 32.14	74	46.57 ± 37.52	11.45 [-2.25, 25.15]
Mean weekday sedentary (mins)	81	511.65 ± 103.21	162	510.78 ± 85.29	-23.26 [-43.73, -2.79]
Mean weekend sedentary (mins)	35	473.06 ± 93.74	74	471.95 ± 97.20	-5.25 [-41.19, 30.69]

^a The control group is the reference group for between group comparisons. Models are adjusted for baseline outcome value, N valid days accelerometer data & local authority and school-level clustering.
^b A priori primary outcome in a future definitive trial

ISSN: 1479-5868