Table 1.
Baseline Characteristics of the Study Group
| Characteristic | NCS Arm (n = 91) | Placebo Arm (n = 43) |
|---|---|---|
| Age, y | 8.2 ± 2.2 | 8.1 ± 2.0 |
| Female | 47 (52%) | 20 (47%) |
| Race | ||
| African American | 74 (81%) | 35 (81%) |
| White | 11 (12%) | 5 (12%) |
| Other | 6 (7%) | 3 (7%) |
| Hispanic ethnicity | 7 (8%) | 5 (12%) |
| Anthropometric measures | ||
| Height, cm | 131.9 ± 15.5 | 131.5 ± 13.5 |
| Height z score | 0.6 ± 0.9 | 0.6 ± 0.8 |
| Weight, kg | 37.5 ± 18.2 | 36.3 ± 15.8 |
| Weight z score | 1.2 ± 1.1 | 1.1 ± 1.1 |
| Weight class | ||
| Obese (BMI ≥ 95th percentile) | 33 (36%) | 15 (35%) |
| Overweight or obese (BMI ≥ 85th percentile) | 50 (55%) | 21 (49%) |
| Failure to thrive (weight < 5th percentile) | 2 (2%) | 0 |
| Upper airway measures | ||
| Friedman tongue position | 2.8 ± .9 | 2.9 ± .8 |
| Mallampati score | 2.3 ± .9 | 2.5 ± 1 |
| Right tonsil size | 2.5 ± .9 | 2.6 ± .8 |
| Left tonsil size | 2.5 ± .8 | 2.6 ± .8 |
| Maternal education less than high school | 6 (7%) | 2 (5%) |
| Household income less than $30,000/y | 44 (48%) | 24 (56%) |
| Fall/winter at time of randomization | 43 (47%) | 22 (51%) |
| Atopy/asthma at time of randomization | 34 (37%) | 17 (40%) |
| Current steroid use at time of randomization | 4 (4%) | 3 (7%) |
Data are presented as mean ± SD unless otherwise indicated.