Table 1.
Demographic and clinical characteristics of study participants
| Variable1 | HC (n=28) |
HR (n=30) |
UHR (n=36) |
BP (n=35) |
P- Value2 |
|---|---|---|---|---|---|
| Age (years) | 15.9 ± 2.5 | 15.1 ± 2.8 | 15.1 ± 2.2 | 15.8 ± 1.4 | 0.17 |
| Gender (% female) | 54 | 48 | 72 | 63 | 0.003 |
| Race (n) | □ | □ | |||
| Caucacian | 18 | 22 | 27 | 26 | 0.29 |
| African American | 5 | 8 | 6 | 4 | □ |
| Other | 5 | 0 | 3 | 5 | |
| BMI (kg/m2) | 23.3 ± 4.6 | 26.2 ± 9.9 | 25.2 ± 8.2 | 26.0 ± 7.8 | 0.69 |
| Smoking status (current) (n) | 2 | 2 | 8 | 10 | 0.001 |
| ADHD (lifetime)(n) | 0 | 9 | 13 | 12 | 0.001 |
1
Values are group mean ± S.D., group percentage, or number of subjects (n).
2
One-way ANOVA or Chi-square test