Table 2b.
For females, 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=757) | % Change in FENO50, year 3 to 10 (N=363) | ||||||
|---|---|---|---|---|---|---|---|---|
| N | (%) | Geometric mean | p-value* | N | (%) | Estimate | p-value† | |
| Age, years | 0.001 | 0.069 | ||||||
| 7 | 65 | (9%) | 8.7 | 33 | (9%) | 34.5 | ||
| 8 | 381 | (50%) | 10.3 | 179 | (49%) | 18.6 | ||
| 9 | 288 | (38%) | 11.7 | 136 | (37%) | 4.3 | ||
| 10 | 23 | (3%) | 10.0 | 15 | (4%) | 22.1 | ||
| Height, cm | 0.166 | 0.040 | ||||||
| ≤125 | 202 | (27%) | 10.2 | 92 | (25%) | 31.4 | ||
| (125, 130] | 143 | (19%) | 11.6 | 68 | (19%) | 2.1 | ||
| (130, 135] | 236 | (31%) | 10.3 | 117 | (32%) | 16.4 | ||
| >135 | 176 | (23%) | 10.8 | 86 | (24%) | 5.6 | ||
| BMI percentile | 0.962 | 0.445 | ||||||
| 0–15 | 58 | (8%) | 10.5 | 21 | (6%) | 30.3 | ||
| 15–85 | 452 | (60%) | 10.5 | 223 | (61%) | 16.1 | ||
| 85–95 | 127 | (17%) | 10.8 | 64 | (18%) | 13.5 | ||
| 95+ | 120 | (16%) | 10.8 | 55 | (15%) | 3.8 | ||
| Race/ethnicity | 0.131 | 0.394 | ||||||
| Hispanic | 449 | (59%) | 11.1 | 203 | (56%) | 14.2 | ||
| White/non-Hispanic | 219 | (29%) | 9.8 | 114 | (31%) | 11.4 | ||
| Black | 14 | (2%) | 13.0 | 6 | (2%) | 8.0 | ||
| Asian | 31 | (4%) | 10.6 | 14 | (4%) | 44.9 | ||
| Other | 41 | (5%) | 9.6 | 25 | (7%) | 24.9 | ||
| Missing | 3 | (0.4%) | 10.7 | 1 | (0.3%) | 102.2 | ||
| Ever reported allergic rhinitis | 0.022 | 0.122 | ||||||
| No | 467 | (62%) | 10.2 | 238 | (66%) | 14.7 | ||
| Yes | 206 | (27%) | 11.7 | 84 | (23%) | 20.6 | ||
| Missing | 84 | (11%) | 10.7 | 41 | (11%) | 1.4 | ||
*
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)