Table 2.

Number of minutes walking per week, number of minutes engaged in moderate-to-vigorous physical activity per week, and percentage of participants who met moderate-to-vigorous physical activity guidelines from before to during the COVID-19 pandemic in 4 groups defined by consistency in exergaming behavior over time (Nicotine Dependence in Teens study, Montreal, Canada, 2017-2021)^a.

			Before COVID-19 (cycle 23b)		During COVID-19 (cycle 24c)		Change between cycles 23 and 24
Walking (minutes/week), median (IQR)
	Overall (n=681)	175 (60-350)		120 (45-240)		–58 (310)d
	Never exergamed (n=424)	175 (60-315)		120 (45-240)		–48 (298)d
	Started exergaming (n=56)	163 (90-420)		195 (40-420)		–38 (372)d
	Stopped exergaming (n=134)	178 (88-420)		120 (60-210)		–97 (279)d
	Sustained exergaming (n=66)	140 (30-258)		90 (40-188)		–56 (380)d
MVPAe (minutes/week), median (IQR)
	Overall (n=681)	130 (0-310)		80 (0-240)		–49 (342)d
	Never exergamed (n=424)	120 (0-300)		80 (0-240)		–41 (336)d
	Started exergaming (n=56)	210 (40-420)		90 (4-394)		–35 (395)d
	Stopped exergaming (n=134)	180 (41-360)		80 (0-275)		–58 (306)d
	Sustained exergaming (n=66)	180 (0-360)		66 (0-221)		–92 (405)d
Met MVPA guidelines, n (%)
	Overall (n=681)	326 (48.3)		245 (36)		–12.3f
	Never exergamed (n=424)	186 (44.8)		155 (36.6)		–8.2f
	Started exergaming (n=56)	31 (57.1)		21 (37.5)		–19.6f
	Stopped exergaming (n=134)	74 (55.6)		48 (35.8)		–19.8f
	Sustained exergaming (n=66)	35 (55.4)		21 (31.8)		–23.6f

^aTotals may differ due to missing data.

^bData were collected from January 2017 to March 2020 (mean age 30.6 years).

^cData were collected from December 2020 to June 2021 (mean age 33.6 years).

^dThese values are the mean (SD), since the change scores were normally distributed.

^eMVPA: moderate-to-vigorous physical activity.

^fThese values represent the absolute decline in percentage.