Table 2.
Participant characteristics associated with intention to participate in an influenza vaccine clinical trial for patients ≥65 years.
| Variables | Likely to participate |
Unlikely to participate |
Likely versus unlikely to participate (n = 191) |
|---|---|---|---|
| N (%) | N (%) | Adjusted OR (95% CI) | |
| Age, year | 1.0 (0.9, 1.0) | ||
| Gender | |||
| Female | 51 (36.2) | 90 (63.8) | 1.2 (0.6, 2.5) |
| Male | 18 (36.0) | 32 (64.0) | -- |
| Language | |||
| Spanish | 67 (37.4) | 112 (62.6) | 0.33 (0.1, 1.7) |
| English | 2 (16.7) | 10 (83.3) | -- |
| Education* | |||
| High school or less | 60 (36.1) | 106 (63.9) | -- |
| More than high school | 9 (36.0) | 16 (64.0) | 0.7 (0.3, 1.9) |
| Prior clinical trial experience | |||
| No prior knowledge, no prior participation | 21 (25.0) | 63 (75.0) | -- |
| Prior knowledge, no prior participation | 30 (42.9) | 40 (57.1) | 2.5 (1.2, 5.2) |
| Prior knowledge and prior participation | 16 (47.1) | 18 (52.9) | 3.0 (1.2, 7.3) |
| Influenza vaccine in last year | |||
| Yes | 58 (40.6) | 85 (59.4) | 2.6 (1.2, 5.6) |
| No | 11 (22.9) | 37 (77.1) | -- |
* More than high school includes trade/vocational school or college; high school or less includes GED or less than high school.
Statistically significant estimates in bold text.