Table.

Depression, Physical Activity, and Health-Related Quality-of-Life Scores for Adolescent Athletes Before (PreCOVID-19) and During the COVID-19 Pandemic (During COVID-19)

Variable	All Participants			Females			Males
	Pre-COVID-19 (n = 5231)	During COVID-19 (n = 3243)	P Value	Pre-COVID-19 (n = 3402)	During COVID-19 (n = 1877)	P Value	Pre-COVID-19 (n = 1829)	During COVID-19 (n = 1366)	P Value
Sex, male, No. (%)	1829 (35.0)	1366 (42.1)	<.001	—	—		—	—
Age, mean ± SD, y	15.7 ± 1.1	16.2 ± 1.2	<.001	15.6 ± 1.1	16.1 ± 1.2	<.001	15.8 ± 1.2	16.2 ± 1.2	<.001
Grade, No. (%)			<.001			<.001			.003
9	1763 (33.7)	862 (26.6)		1177 (34.6	499 (26.6)		586 (32.0)	363 (26.6)
10	1388 (26.5)	845 (26.1)		937 (27.5)	509 (27.1)		451 (24.7)	336 (24.6)
11	1153 (22.0)	848 (26.1)		720 (21.2)	470 (25.0)		433 (23.7)	378 (27.7)
12	927 (17.7)	688 (21.2)		568 (16.7)	399 (21.3)		359 (19.6)	289 (21.2)
Patient Health Questionnaire-9 Item total scorea	3.3 (3.1, 3.5)	8.0 (7.8, 8.2)	<.001	3.6 (3.4, 3.8)	8.2 (7.9, 8.5)	<.001	2.6 (2.2, 2.9)	7.8 (7.5, 8.1)	<.001
Pediatric Functional Activity Brief Scale total scoreb	24.7 (24.5, 24.9)	12.2 (11.9, 12.5)	<.001	24.5 (24.2, 24.7)	11.4 (11.1, 11.8)	<.001	25.7 (25.3, 26.1)	13.9 (13.4, 14.4)	<.001
Pediatric Quality of Life Inventory 4c
Physical summary	91.7 (91.3, 92.1)	82.6 (82.2, 83.0)	<.001	89.6 (89.1, 90.0)	80.9 (80.5, 81.4)	<.001	96.6 (95.9, 97.3)	86.1 (85.4, 86.8)	<.001
Psychosocial summary	90.4 (89.9, 90.8)	76.2 (75.8. 76.6)	<.001	90.1 (89.6, 90.6)	75.0 (74.5, 75.5)	<.001	90.9 (90.2, 91.7)	78.6 (77.9, 79.3)	<.001
Totald	90.9 (90.5, 91.3)	78.4 (78.0, 78.8)	<.001	90.0 (89.5, 90.4)	77.1 (76.6, 77.6)	<.001	92.9 (92.2, 93.6)	81.2 (80.6, 81.9)	<.001

^aHistorical group n = 2156.

^bHistorical group n = 1002.

^cHistorical group n = 5231.

^dTotal score was reported as the sample weight × inverse propensity score weighted mean (95% CI).