Table 1. Employment status among US adults hospitalized with influenza September 1, 2009–April 24, 2010 by age group, compared with data from the 2010 NHIS*.
| Status | No. (%) cases† | Estimated US populations in thousands (weighted %) from NHIS† | Ratio (95% CI) |
|---|---|---|---|
| Age 18–49 y | |||
| Employed | 825 (45.2) | 94,862 (71.3) | 0.63 (0.59–0.68) |
| Not employed | 999 (54.8) | 38,170 (28.7) | 1.91 (1.79–2.03) |
| Employment status unknown | 586 (24.3) | 36 (0) | NA |
| Age 50–64 y | |||
| Employed | 409 (41.2) | 36,045 (62.4) | 0.66 (0.60–0.73) |
| Not employed | 583 (58.8) | 21,675 (37.6) | 1.56 (1.44–1.70) |
| Employment status unknown | 300 (23.2) | 24 (0) | NA |
| Age >65 y | |||
| Employed | 49 (8.9) | 5,697 (14.7) | 0.61 (0.45–0.80) |
| Not employed | 500 (91.1) | 32,980 (85.3) | 1.07 (0.98–1.17) |
| Employment status unknown | 101 (15.5) | 15 (0) | NA |
*NHIS, National Health Interview Survey; NA, not applicable. †Percentage among case-patients/respondents with known work status and among all case-patients/respondents with unknown work status.