Table 5 Effectiveness
Outcome | Measure | Sample | Data collection procedures and Timing/Frequency |
|---|---|---|---|
Primary health outcome: Asthma exacerbations | # of exacerbations per year. Asthma exacerbation defined as any of the following for asthma: use of systemic steroid burst therapy, ED visit, or hospitalization | Enrolled students in control, as well as BACK-S and BACK-E intervention arms | Annual family surveys – baseline survey collected by ANav; 12-month follow-up survey captured by a data collector masked to study arm assignment [41] |
School absence | Days absent due to asthma | Enrolled students in control, BACK-S and BACK-E | Annual family surveys – baseline survey collected by ANav; 12-month follow-up survey captured by a data collector masked to study arm assignment |
Inhaler Technique | Accurate inhaler technique (1–5 scale) | Enrolled students in BACK-S and BACK-E | Captured at each student visit by direct observation of student technique by ANav |
Perceptions of BACK program impact on student’s asthma health | Survey items assessing impact of BACK program on asthma control and asthma self-management | Enrolled students in BACK-S and BACK-E | Annual family survey – captured annually by masked data collector Annual interviews of a purposive sample of families |