Short and medium-term effects of the COVID-19 lockdowns on child and parent accelerometer-measured physical activity and sedentary time: a natural experiment

Table 3 Modelled estimates of differences in child and parent physical activity between Pre-COVID-19 and Post-COVID-19 waves

		Difference between Pre-COVID-19 & Wave 1			Difference between Pre-COVID-19 & Wave 2
	N	Estimate	95% CI	p-value¹	Estimate	95% CI	p-value¹
Child
weekday MVPA (min/day)	1777	-7.3	(-13.3, -1.3)	0.018	-2.3	(-5.9, 1.3)	0.211
weekend MVPA (min/day)	1493	-6.9	(-12.1, -1.7)	0.010	0.6	(-3.5, 4.6)	0.774
weekday sedentary (min/day)	1777	17.9	(4.9, 30.8)	0.007	13.2	(5.3, 21.1)	0.001
weekend sedentary (min/day)	1493	10.5	(-0.1, 21.1)	0.051	6.7	(-1.6, 15.0)	0.11
Parent
weekday MVPA (min/day)	1581	0.5	(-4.6, 5.6)	0.847	3.4	(-0.4, 7.2)	0.079
weekend MVPA (min/day)	1456	0.4	(-10.1, 10.8)	0.946	7.9	(1.6, 14.2)	0.014
weekday sedentary (min/day)	1581	-2.0	(-13.1, 9.0)	0.713	-4.6	(-12.8, 3.6)	0.265
weekend sedentary (min/day)	1456	1.2	(-10.7, 13.1)	0.843	-6.9	(-15.6, 1.7)	0.115

Pre-COVID-19: Mar 2017-May 2018; Wave 1: Jun 2021-Dec 2021; Wave 2: Jan 2022-Jul 2022
MVPA Moderate-to-vigorous physical activity, CI Confidence interval
¹p-value for hypothesis test of no difference

ISSN: 1479-5868