Table 1.
Baseline group comparisons (self-reported).
| Intervention (n = 32) | Control (n = 32) | |
|---|---|---|
| Sex | ||
| Male Female |
9 23 |
7 25 |
| Race/ethnicity | ||
| Non-Hispanic Caucasian African American Asian Hispanic |
26 3 3 0 |
24 2 3 3 |
| Age (year) | 22.69 ± 3.06 | 22.91 ± 3.68 |
| PA level | ||
| MVPA/day (min) LPA/day (min) SB/day (min) |
8.28 ± 6.47 183.11 ± 42.19 688.02 ± 88.58 |
9.16 ± 7.01 192.17 ± 48.79 675.86 ± 65.38 |
| Sleep quality | ||
| Sleep duration (h/night) | 7.99 ± 0.82 | 8.07 ± 0.74 |
| Sleep efficiency (%) | 84.62 ± 7.12 | 86.69 ± 5.99 |
| Muscle-strengthening PA | ||
| Days/week | 0.81 ± 0.86 | 0.94 ±1.06 |
| Met guideline | 7 | 7 |
| Did not meet guideline | 25 | 25 |
| Psychosocial variable | ||
|
SDT-related intrinsic motivation Non-regulation External regulation Introjected regulation Identified regulation Integrated regulation Intrinsic regulation |
0.42 ± 0.43 1.30 ± 0.95 2.68 ± 0.94 2.96 ± 0.63 2.21 ± 0.92 2.48 ± 0.96 |
0.51 ± 0.53 1.18 ± 0.98 2.50 ± 0.97 2.98 ± 0.61 2.32 ± 0.60 2.38 ± 0.83 |
| Perceived PA barriers | 2.33 ± 0.39 | 2.25 ± 0.40 |
| Internet/YouTube use | ||
| Previous experience using YouTube | 32 | 32 |
|
Device most used to consume YouTube Phone Laptop Tablet |
26 4 2 |
24 5 3 |
| Anthropometric variable | ||
| Height (cm) | 171.29 ± 8.56 | 168.94 ± 10.04 |
| Weight (kg) | 67.29 ± 10.24 | 66.12 ± 10.07 |
| BMI (kg/m2) | 22.90 ± 2.74 | 23.34 ± 2.45 |
Notes: All categorical variable values are frequency or n. All continuous variable values are mean ± SD.
Abbreviations: BMI = body mass index; LPA = light physical activity; MVPA = moderate-to-vigorous physical activity; PA = physical activity; SB = sedentary behavior; SDT = self-determination theory.