Table 2.

External validation study (All of Us) participant characteristics

Variable	Mean ± SD	No. (%)
Total		5,898 (100)
Sex
Female		4,078 (69.14)
Male		1,821 (30.87)
Age, y–Median	59.0
18–44		1,608 (27.26)
44–64		1,914 (32.45)
65–96		2,376 (40.28)
Combined race and ethnicity
White, non-Hispanic		3,756 (63.68)
Black, non-Hispanic		524 (8.88)
Asian, non-Hispanic		480 (8.14)
Other race or multiple races, non-Hispanic		735 (12.46)
Hispanic or Latino, any race or races		403 (6.83)
Employment
Employed		2,846 (48.25)
Unemployed		1,141 (19.35)
Retired		1,885 (31.96)
Annual income (USD)
$50,000 or less		2,253 (38.2)
$50,000 to $150,000		2,592 (43.95)
$150,000 or more		763 (12.94)
Deprivation index	0.31 ± 0.05
Cigarette smoking frequency
<100 lifetime cigarettes		3,671 (62.24)
≥100 lifetime cigarettes, currently less than daily		1,878 (31.84)
≥100 lifetime cigarettes, currently daily usage		334 (5.66)
Alcohol use frequency
Never or rarely		1,298 (22.01)
Weekly or less		3,083 (52.27)
Multiple weekly		1,500 (25.43)
Body Mass Index
Underweight		75 (1.27)
Normal		1,748 (29.64)
Overweight		1,827 (30.98)
Obesity		2,248 (38.11)
Self-rated overall health
Poor		218 (3.7)
Fair		1,040 (17.63)
Good		1,987 (33.69)
Very good		2,040 (34.59)
Excellent		602 (10.21)
Study characteristics
Study interval start date–Median (IQR)	11/17/22 (11/22/21 to 05/09/23)
Days of recording–Median (IQR)	108 (101 to 115)
Sleep characteristics
Sleep duration (h)	6.44 ± 1.03
Sleep onset timing (hh:mm)	23.88 ± 1.66
PA characteristics
Moderate to vigorous PA duration (m)	34.16 ± 33.57
Overall PA duration (m)	247.84 ± 88.01
Step count	6,996.17 ± 3,826.55

Note. SD: standard deviation; No.: number; y: years; h: hours; m: minutes; IQR: interquartile range; USD: United States Dollar.