Table 1. Baseline Characteristics for Normal-Weight, Overweight, and Obese Adolescentsa.
| Variable | No. (%) | Absolute Difference (95% CI)b | |||
|---|---|---|---|---|---|
| Total (n = 224) | Normal Weight (n = 31) | Overweight (n = 45) | Obese (n = 148) | ||
| Age, mean (SD), y | 14.6 (1.7) | 14.2 (1.7) | 14.6 (1.8) | 14.7 (1.6) | 0.6 (−0.1 to 1.2) |
| Male | 119 | 19 (61.3) | 23 (51.1) | 77 (52.0) | 9 (−10 to 29) |
| Ethnicity | |||||
| Hispanic | 123 (55.0) | 16 (51.6) | 22 (48.9) | 85 (57.4) | 9 (−8.0 to 25) |
| African American | 68 (30.4) | 9 (29.0) | 16 (35.6) | 43 (29.1) | 10 (−10 to 30) |
| White | 30 (13.4) | 5 (16.1) | 6 (13.3) | 19 (12.8) | 3.0 (−11 to 17) |
| Other | 3 (1.3) | 1 (3.2) | 1 (2.2) | 1 (0.7) | 3.0 (−4.0 to 9.0) |
| Allergies | 91 (41.0) | 11 (35.5) | 19 (42.2) | 61 (41.2) | 10 (−20 to 30) |
| Reflux | 19 (8.4) | 1 (3.2) | 6 (13.3) | 12 (8.1) | 10 (−2.0 to 22) |
| Asthma | 74 (33.0) | 9 (29.0) | 18 (40.0) | 47 (31.8) | 11 (−11 to 33) |
| Tonsil size | |||||
| 1 | 68 (30.4) | 10 (32.3) | 13 (28.9) | 45 (30.4) | 3.0 (−18 to 25) |
| 2 | 77 (34.4) | 10 (32.3) | 17 (37.8) | 50 (33.8) | 6.0 (−16 to 27) |
| 3 | 61 (27.2) | 11 (35.5) | 12 (26.7) | 38 (25.7) | 10 (−9.0 to 28) |
| 4 | 18 (8.0) | 0 (0.0) | 3 (6.7) | 15 (10.1) | 10 (5.0 to 15) |
| OSA diagnosis | |||||
| No OSA | 71 (32) | 16 (52) | 21 (47) | 34 (23) | 29 (10 to 48) |
| Mild (AHI 1-4) | 51 (23) | 8 (26) | 10 (22) | 33 (22) | 4.0 (−13 to 21) |
| Moderate (AHI 5-9) | 27 (12) | 2 (6) | 4 (9) | 21 (14) | 8.0 (−3.0 to 18) |
| Severe (AHI ≥10) | 75 (33) | 5 (16) | 10 (22) | 60 (41) | 24 (6.0 to 42) |
Abbreviations: AHI, apnea hypopnea index; BMI, body mass index (calculated as weight in kilograms divided by height in meters squared).
a
Normal weight, BMI 5% to 85%; obese, BMI≥95%; overweight, BMI 85% to 95%.
b
Mean difference of continuous variable and percent difference for categorical variables.