Table 1.
Results of symptom-identification for asthma and respiratory among Detroit high scholl students, grades 9–11a
| Variable | Current asthma | Symptoms-only | No asthma | |
|---|---|---|---|---|
| Demographics | ||||
| n = 655 | n = 550 | n = 4,472 | ||
| Age (mean, s.d.) | 15.1 ± 1.0 | 15.1 ± 1.1 | 15.2 ± 1.1 | ** |
| Female, n (%) | 344 (52.5) | 337 (61.3) | 2239 (50.1) | ** |
| Absenteeism in last 30 days | n = 634 | n = 502 | n = 3,431 | |
| ≥1 day (any reason) | 431 (68.0) | 343 (68.3) | 1662 (48.4) | * ** |
| n = 603 | n = 497 | n = 3,298 | ||
| ≥1 day (due to symptoms) | 227 (37.7) | 136 (27.4) | 205 (6.2) | * ** *** |
| Utilization/12 months | n = 623 | n = 519 | ||
| ≥1 asthma ED visit | 299 (48.0) | 132 (25.4) | *** | |
| n = 641 | n = 531 | |||
| ≥1 asthma hospitalization | 108 (16.9) | 44 (8.3) | *** | |
| n = 617 | n = 515 | |||
| ≥1 physician visit for symptoms | 373 (60.4) | 185 (35.9) | *** | |
| Asthma control (Rules of Two)10 | n = 634 | n = 520 | ||
| Used inhaler ≥2 times/week | 232 (36.6) | 64 (12.3) | *** | |
| n = 612 | n = 499 | |||
| Awakened ≥2 times /30 days | 262 (42.8) | 151 (30.3) | *** | |
| n = 636 | n = 529 | |||
| ≥2 refills/last year | 325 (51.1) | 49 (9.3) | *** | |
| Asthma severity | n = 646 | n = 528 | ||
| Mild, intermittent | 379 (58.7) | 400 (75.8) | *** | |
| Mild, persistent | 100 (15.5) | 55 (10.4) | *** | |
| Moderate | 78 (12.0) | 39 (7.4) | *** | |
| Severe | 89 (13.8) | 34 (6.4) | *** | |
adata is missing for some questionnaire items
*p < 0.05 for current vs. no-asthma; **p < 0.05 for symptoms-only vs. no-asthma; ***p < 0.05 for current vs. symptoms-only