Table 1 Sociodemographic and physical activity characteristics of Adolescent Brain Cognitive Development (ABCD) Study participants (N = 6460).
From: Social epidemiology of Fitbit daily steps in early adolescence
Sociodemographic characteristics (baseline) | Mean (SD) |
|---|---|
Age (years) | 12.0 (0.7) |
Sex (%) | |
Female | 49.6 |
Male | 50.4 |
Race/ethnicity (%) | |
White | 61.0 |
Latino/Hispanic | 17.2 |
Black | 12.2 |
Asian | 5.2 |
Native American | 3.2 |
Other | 1.3 |
Sexual minority (%) | |
No | 88.4 |
Yes | 3.9 |
Maybe | 3.6 |
Don’t understand the question | 3.1 |
Decline to answer | 0.9 |
Household income (%) | |
≤$24,999 | 12.0 |
$25,000–$49,999 | 19.2 |
$50,000–$74,999 | 18.9 |
$75,000–$99,999 | 15.6 |
$100,000–$199,999 | 26.0 |
≥$200,000 | 8.2 |
Parent education, average years | 16.5 (2.5) |
Parent marital status (%) | |
Parent married/partnered | 73.8 |
Parent not married/unpartnered | 26.2 |
Data collection period (%) | |
Pre-COVID | 83.3 |
During COVID | 16.7 |
Physical activity variables (baseline, weekday, weekend) | |
Total steps per day | 9101.7 (3203.8) |
Total steps per day on weekdays | 9441.9 (3404.6) |
Total steps per day on weekends | 8121.849 (3714.1) |
