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. 2021 Apr 19;23(4):e20954. doi: 10.2196/20954

Table 1.

Baseline characteristics.

Characteristics			Instagram data shared (n=41)		Instagram data not shared (n=35)		P value
Age, mean (SD)			19.66 (2.08)		20.03 (1.81)		.42
Sex (female), n (%)			27 (66)		28 (80)		.20
Ethnicity, n (%)							.70
	White	29 (71)		24 (69)
	East Asian	6 (15)		6 (17)
	Black	0 (0)		1 (3)
	Other (mixed, Spanish, South Asian)	6 (15)		4 (11)
Exercise identity, mean (SD)			34.00 (8.20)		34.79 (7.16)		.67
Weekly PA^a minutes at low intensity (MET^b <3/week), mean (SD)			38.51 (135.94)		22.92 (59.94)		.50
Weekly PA min at moderate to high intensity (MET ≥3/week), mean (SD)			476.37 (542.40)		263.82 (238.27)		.04
Instagram usage (hours/day), mean (SD)			1.87 (1.04)		2.32 (1.91)		.29

^aPA: physical activity.

^bMET: metabolic equivalent of task.