Table 2a.
For males, participant characteristics at year 3 and associations with fractional exhaled nitric oxide (FENO50) or percent change in FENO50 over approximately 7 years.
| Year 3 Characteristic | Year 3 FENO50 (N=672) | % Change in FENO50, year 3 to 10 (N=318) | ||||||
|---|---|---|---|---|---|---|---|---|
| N | (%) | Geometric mean | p-value* | N | (%) | Estimate | p-value† | |
| Age, years | 0.178 | 0.749 | ||||||
| 7 | 48 | (7%) | 9.2 | 25 | (8%) | 60.4 | ||
| 8 | 313 | (47%) | 10.3 | 144 | (45%) | 52.1 | ||
| 9 | 276 | (41%) | 11.0 | 133 | (42%) | 56.5 | ||
| 10 | 35 | (5%) | 11.6 | 16 | (5%) | 26.8 | ||
| Height, cm | 0.140 | 0.816 | ||||||
| ≤125 | 129 | (19%) | 9.9 | 50 | (16%) | 56.7 | ||
| (125, 130] | 168 | (25%) | 10.9 | 73 | (23%) | 46.1 | ||
| (130, 135] | 205 | (31%) | 10.1 | 114 | (36%) | 60.7 | ||
| >135 | 170 | (25%) | 11.4 | 81 | (25%) | 47.2 | ||
| BMI percentile | 0.957 | 0.067 | ||||||
| 0–15 | 41 | (6%) | 10.4 | 22 | (7%) | 45.6 | ||
| 15–85 | 359 | (53%) | 10.7 | 169 | (53%) | 68.2 | ||
| 85–95 | 122 | (18%) | 10.6 | 61 | (19%) | 44.5 | ||
| 95+ | 150 | (22%) | 10.4 | 66 | (21%) | 29.3 | ||
| Race/ethnicity | <0.001 | 0.468 | ||||||
| Hispanic | 386 | (57%) | 11.0 | 177 | (56%) | 62.9 | ||
| White/non-Hispanic | 226 | (34%) | 9.5 | 115 | (36%) | 48.2 | ||
| Black | 12 | (2%) | 10.4 | 4 | (1%) | 67.0 | ||
| Asian | 27 | (4%) | 18.1 | 11 | (3%) | 28.4 | ||
| Other | 19 | (3%) | 8.0 | 10 | (3%) | 72.2 | ||
| Missing | 2 | (0.3%) | 17.1 | 1 | (0.3%) | −35.4 | ||
| Ever reported allergic rhinitis | 0.109 | 0.779 | ||||||
| No | 380 | (57%) | 10.2 | 180 | (57%) | 51.2 | ||
| Yes | 193 | (29%) | 11.5 | 94 | (30%) | 57.7 | ||
| Missing | 99 | (15%) | 10.3 | 44 | (14%) | 51.5 | ||
*
Analysis of variance (ANOVA) F-test (excluding missing categories, if applicable)
†
Kruskal-Wallis test, a non-parametric alternative to ANOVA (excluding missing categories, if applicable)