Effect of commercial wearables and digital behaviour change resources on the physical activity of adolescents attending schools in socio-economically disadvantaged areas: the RAW-PA cluster-randomised controlled trial

Table 2 Intervention effects on physical activity outcomes by intervention group immediately post-intervention and 6-month post-intervention

	Partially-adjusted model^b			Fully-adjusted model^c
	β	95% CI	p-value	β	95% CI	p-value
Accelerometry
Immediately post-intervention MVPA (min/d)^a
Whole sample	0.7	−3.47 to 4.89	0.76	0.5	−3.54 to 4.50	0.81
Males	−0.9	−7.14 to 5.37	0.78	−0.1	−6.45 to 6.16	0.96
Females	−0.02	−5.16 to 5.11	0.99	0.4	−4.66 to 5.56	0.86
6-month post-intervention MVPA (min/d)^a
Whole sample	−4.4	−8.60 to -0.24	0.04	−5.0	−9.07 to −0.96	0.02
Males	−10.9	−17.46 to −4.38	0.001	−11.0	−17.57 to −4.48	0.001
Females	−0.3	−5.38 to 4.78	0.91	−0.03	−5.06 to 5.01	0.99
Self-report
Immediately post-intervention PA (days)^a
Whole sample	0.2	−0.17 to 0.62	0.26	0.2	−0.17 to 0.62	0.27
Males	0.1	−0.54 to 0.71	0.79	0.09	−0.54 to 0.71	0.79
Females	0.3	−0.16 to 0.82	0.19	0.4	−0.12 to 0.85	0.14
6-month post-intervention PA (days)^a
Whole sample	0.2	−0.25 to 0.55	0.46	0.1	−0.26 to 0.54	0.49
Males	0.02	−0.61 to 0.65	0.95	0.02	−0.61 to 0.66	0.95
Females	0.2	−0.26 to 0.73	0.35	0.3	−0.21 to 0.77	0.27

^aDifference between intervention and control group; significant differences are bolded
CI Confidence interval, MVPA Moderate- to vigorous-intensity physical activity, PA Physical activity
^bPartially adjusted model: adjusted for baseline outcome values and accelerometer wear time (for MVPA outcome only)
^cFully-adjusted model: additionally adjusts for baseline age, sex, wave of data collection

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