Table 4. Qualitative demographical, clinical, and qualitative interview responses among 33 Illinois residents hospitalized with 2009 influenza A (H1N1) — April–December, 2009.
| Characteristic | Frequency No. (%) |
| Response rate | 33/60 (55) |
| White | 13/33 (39) |
| Male | 19/33(58) |
| Admitted during 1st wave | 1/33 (3) |
| Aged <18 years | 11/33 (33) |
| Admitted to ICUa | 3/33 (9) |
| Mechanical ventilation | 0/33 (0) |
| Antiviral therapy | 21/33 (64) |
| Heard of H1N1 before hospitalization | 31/33 (94) |
| Did not feel at risk for getting H1N1 | 24/33 (73) |
| Did not receive H1N1 vaccination | 27/29 (93) |
| Lack of availability | 15/27 (56) |
| Just did not | 4/27 (15) |
| Side-effects | 2/27 (7) |
| Doctor advice | 1/27 (4) |
| Too young | 1/27 (4) |
| Reaction to vaccine | 1/27 (4) |
| Got sick before getting vaccine | 1/27 (4) |
| Injectable form not available | 1/27 (4) |
| Do not get vaccinations | 1/27 (4) |
| Missed chance at work because of illness | 1/27 (4) |
| Had health insurance at time of admission | 29/31 (94) |
| Did not seek healthcare before admission | 19/32 (59) |
| Rapid onset of symptoms | 12/33 (36) |
| Used OTCb medications | 15/33 (45) |
| Presence of health-seeking barrier | 5/33 (15) |
a
Intensive care unit.
b
Over-the-counter.