Table 1.
Characteristics of study population at initial visit by weight status
| Participant Characteristic | n (%) or Mean (SD) | |||||
|---|---|---|---|---|---|---|
| All Participants (n=173) |
Normal Weight (n=46) |
Overweight (n=36) |
Obese (n=91) |
p-value | ||
| Demographics | ||||||
| Age (years) | 15.9 (2.1) | 16.5 (1.8) | 15.9 (2.2) | 15.6 (2.1) | 0.04 | |
| Race/Ethnicity (n=153) | 0.07 | |||||
| Non-Hispanic White | 100 (65%) | 34 (83%) | 20 (61%) | 46 (58%) | ||
| Non-Hispanic Black | 29 (19%) | 4 (10%) | 7 (21%) | 18 (23%) | ||
| Non-Hispanic Asian | 9 (6%) | 1 (2%) | 4 (12%) | 4 (5%) | ||
| Non-Hispanic Other | 3 (2%) | 1 (2%) | 1 (3%) | 1 (1%) | ||
| Hispanic | 12 (8%) | 1 (2%) | 1 (3%) | 10 (13%) | ||
| BMI | ||||||
| BMI (kg/m2) | 29.7 (7.5) | 21.5 (1.9) | 26.2 (1.7) | 35.4 (5.7) | <.001 | |
| BMI Z-score | 1.5 (0.9) | 0.2 (0.6) | 1.3 (0.2) | 2.2 (0.3) | <.001 | |
| BMI Percentile | 85.9 (19.8) | 58.3 (20.5) | 90.2 (3.5) | 98.0 (1.3) | <.001 | |
| Blood Pressure | ||||||
| Systolic BP (mm Hg) | 119.4 (14.6) | 114.8 (11.1) | 117.9 (20.6) | 122.2 (12.6) | 0.01 | |
| SBP Z-score | 0.8 (1.4) | 0.4 (1.1) | 0.7 (2.1) | 1.1 (1.2) | 0.07 | |
| Diastolic BP (mm Hg) | 66.9 (8.0) | 64.5 (7.9) | 67.1 (6.7) | 68.0 (8.4) | 0.06 | |
| DBP Z-score | 0.1 (0.7) | −0.1 (0.7) | 0.1 (0.6) | 0.2 (0.7) | 0.20 | |
| Family History | ||||||
| PCOS | 17 (10%) | 6 (13%) | 4 (10%) | 7 (8%) | 0.53 | |
| Diabetes (Type II) | 73 (41%) | 10 (22%) | 15 (38%) | 48 (53%) | 0.00 | |
| Infertility/Irregular Menses | 46 (26%) | 12 (26%) | 14 (36%) | 20 (22%) | 0.25 | |
| Physical Exam Findings | ||||||
| Acanthosis nigricans | 64 (36%) | 0 (0%) | 8 (21%) | 56 (62%) | <.001 | |
| Acne | 78 (44%) | 20 (43%) | 19 (49%) | 39 (43%) | 0.82 | |
| Hirsutism | 107 (61%) | 33 (72%) | 24 (62%) | 50 (55%) | 0.16 | |