Table 3.
Weighted Completion Rates by Subgroup Across Years: 2014–2016 National Internet Flu Survey
| Subgroup | 2014 Rates (%) |
2015 Rates (%) |
2016 Rates (%) |
|||
|---|---|---|---|---|---|---|
| Unweighteda | Weightedb | Unweighteda | Weightedb | Unweighteda | Weightedb | |
|
| ||||||
| Overall | 49.1 | 53.1 | 53.7 | 57.6 | 61.4 | 61.1 |
| Age (in years) | ||||||
| 18–49 | 39.5 | 45.6 | 43.5 | 49.0 | 51.4 | 53.5 |
| 50–64 | 59.3 | 60.1 | 65.8 | 67.3 | 65.0 | 67.1 |
| ≥65 | 64.9 | 65.7 | 68.2 | 69.0 | 72.2 | 72.6 |
| Race/ethnicityc | ||||||
| Hispanic | 34.5 | 36.4 | 37.0 | 37.6 | 50.5 | 48.8 |
| NH white | 61.2 | 60.0 | 67.3 | 65.7 | 70.3 | 67.5 |
| NH black | 38.2 | 39.3 | 41.7 | 43.3 | 51.8 | 49.4 |
| NH other | 47.3 | 47.9 | 51.7 | 51.3 | 56.4 | 55.3 |
a
The unweighted rates are calculated as the number of respondents over the number of sample members by row.
b
The weighted rates are calculated as the weighted number of respondents over the weighted number of sample members by row using the base weight (inverse probability of selection).
c
The non-Hispanic (NH) other category includes adults who reported their ethnicity as non-Hispanic and their race as American Indian/Alaska Native, Asian, Native Hawaiian, other Pacific Islander, or reported multiple races.