Table 3.
Multivariable logistic regression analysis of adults who reported received Td or Tdap vaccination, BRFSS 2013
| Characteristic | Adjusted prevalence ratio (PR) | |
|---|---|---|
|
| ||
| Td vaccination | Tdap vaccination | |
|
| ||
| PR (95% CI) | PR (95% CI) | |
| Total | ||
| Age | ||
| 18–49 years | 1.57 (1.54, 1.61)* | 2.77 (2.63, 2.91)* |
| 50–64 years | 1.37 (1.34, 1.41)* | 1.90 (1.80, 2.00)* |
| ≥65 years | Reference | Reference |
| Sex | ||
| Male | Reference | Reference |
| Female | 0.92 (0.91, 0.93)* | 1.06 (1.03, 1.09)* |
| Race/ethnicity | ||
| White, non-Hispanic | Reference | Reference |
| Black, non-Hispanic | 0.90 (0.88, 0.93)* | 0.91 (0.87, 0.96)* |
| Hispanic | 0.92 (0.89, 0.94)* | 0.93 (0.88, 0.98)* |
| Asian, non-Hispanic | 0.84 (0.79, 0.89)* | 0.86 (0.77, 0.95)* |
| American Indian/Alaska Native, non-Hispanic | 1.07 (1.02, 1.13)* | 1.13 (1.03, 1.24)* |
| Other | 1.01 (0.97, 1.06) | 0.98 (0.90, 1.08) |
| Marital status | ||
| Married or unmarried couple | Reference | Reference |
| Divorced, widowed, or separated | 0.97 (0.96, 0.99)* | 0.92 (0.89, 0.96)* |
| Never married | 1.04 (1.02, 1.06)* | 1.09 (1.05, 1.14)* |
| Education level | ||
| Less than high school | Reference | Reference |
| High school graduate | 0.98 (0.95, 1.01) | 0.99 (0.93, 1.06) |
| Some college or technical school | 1.05 (1.02, 1.08)* | 1.15 (1.08, 1.23)* |
| College graduate or higher education | 1.04 (1.01, 1.07)* | 1.25 (1.17, 1.33)* |
| Employment | ||
| Employed | Reference | Reference |
| Unemployed | 1.02 (0.99, 1.04) | 1.01 (0.95, 1.08) |
| Not in work force | 1.01 (1.00, 1.03) | 1.05 (1.01, 1.09)* |
| Income | ||
| <20,000 | Reference | Reference |
| 20,000–49,999 | 1.00 (0.98, 1.02) | 0.97 (0.92, 1.01) |
| 50,000–74,999 | 1.03 (1.01, 1.06)* | 1.03 (0.98, 1.09) |
| 75,000+ | 1.04 (1.01, 1.06)* | 1.06 (1.01, 1.12)* |
| Region | ||
| Northeast | Reference | Reference |
| Midwest | 1.06 (1.04, 1.08)* | 1.15 (1.11, 1.20)* |
| South | 1.00 (0.98, 1.02) | 0.99 (0.95, 1.02) |
| West | 1.06 (1.04, 1.08)* | 1.27 (1.22, 1.32)* |
| Perceived health | ||
| Excellent or very good | 1.07 (1.04, 1.11)* | 1.34 (1.24, 1.46)* |
| Good | 1.04 (1.00, 1.07)* | 1.18 (1.09, 1.28)* |
| Fair | 1.01 (0.98, 1.05) | 1.14 (1.04, 1.24)* |
| Poor | Reference | Reference |
| Have medical insurance | ||
| Yes | 1.07 (1.04, 1.09)* | 1.12 (1.06, 1.18)* |
| No | Reference | Reference |
| Have personal health care provider | ||
| Yes | 1.11 (1.08, 1.13)* | 1.13 (1.08, 1.18)* |
| No | Reference | Reference |
| Time since last routine checkup | ||
| <1 year | 1.17 (1.15, 1.19)* | 1.29 (1.25, 1.34)* |
| ≥1 year | Reference | Reference |
| Unable to see doctor due to cost | ||
| Yes | Reference | Reference |
| No | 0.98 (0.96, 1.00) | 1.02 (0.98, 1.07) |
| Influenza vaccination in the past 12 months | ||
| Yes | 1.14 (1.12, 1.15)* | 1.48 (1.44, 1.53)* |
| No | Reference | Reference |
| Ever received pneumococcal vaccination | ||
| Yes | 1.26 (1.25, 1.28)* | 1.60 (1.55, 1.65)* |
| No | Reference | Reference |
Note: Boldface indicates statistical significance (p<0.05).
*
p < 0.05 comparing against the reference group.