Table 3.
Multivariable logistic regression analysis of persons ≥ 18 years who reported receiving influenza vaccination in a nonmedical setting versus medical setting*, by demographic and access-to-care variables, Behavioral Risk Factor Surveillance System, United States, 2011–12 influenza season†
| Overall | 18-49 years | 50-64 years | 65+ years | |
|---|---|---|---|---|
|
| ||||
| Characteristic | Adjusted Prevalence Ratio (95% CI) |
Adjusted Prevalence Ratio (95% CI) |
Adjusted Prevalence Ratio (95% CI) |
Adjusted Prevalence Ratio (95% CI) |
| Sex | ||||
| Men | Referent | Referent | Referent | Referent |
| Women | 1.0 (1.0-1.0) | 1.0 (0.9-1.0) | 1.0 (1.0-1.1) | 1.0 (1.0-1.1) |
| Race/Ethnicity | ||||
| White, non-Hispanic | Referent | Referent | Referent | Referent |
| Black, non-Hispanic | 0.8 (0.7-0.8)§ | 0.8 (0.8-0.9)§ | 0.7 (0.6-0.8)§ | 0.6 (0.5-0.7)§ |
| Hispanic | 0.9 (0.8-0.9)§ | 0.9 (0.8-1.0)§ | 0.9 (0.8-1.1) | 0.7 (0.6-0.9)§ |
| Other | 0.9 (0.8-1.0)§ | 1.0 (0.9-1.1) | 0.8 (0.7-0.9)§ | 0.7 (0.6-0.9)§ |
| Education level | ||||
| Less than high school | Referent | Referent | Referent | Referent |
| High school graduate | 1.2 (1.1-1.3)§ | 1.1 (1.0-1.3) | 1.2 (1.0-1.4)§ | 1.2 (1.0-1.3)§ |
| Attended college | 1.2 (1.2-1.3)§ | 1.3 (1.1-1.5)§ | 1.3 (1.1-1.5)§ | 1.2 (1.1-1.4)§ |
| Employment status | ||||
| Employed | Referent | Referent | Referent | Referent |
| Unemployed | 0.6 (0.6-0.7)§ | 0.6 (0.5-0.7)§ | 0.7 (0.6-0.8)§ | 0.7 (0.5-0.8)§ |
| Not in work force | 0.7 (0.7-0.7)§ | 0.6 (0.5-0.7)§ | 0.7 (0.6-0.7)§ | 0.8 (0.8-0.9)§ |
| Certain chronic conditions | ||||
| Yes | Referent | Referent | Referent | Referent |
| No | 1.2 (1.1-1.2)§ | 1.1 (1.1-1.2)§ | 1.3 (1.2-1.3)§ | 1.2 (1.1-1.2)§ |
| Time since last routine checkup | ||||
| <1 yr | Referent | Referent | Referent | Referent |
| ≥1 yrs | 1.2 (1.2-1.3)§ | 1.1 (1.1-1.2)§ | 1.3 (1.2-1.4)§ | 1.3 (1.2-1.4)§ |
| Health insurance coverage | ||||
| Yes | Referent | Referent | Referent | Referent |
| No | 1.0 (0.9-1.1) | 1.0 (0.9-1.1) | 1.1 (0.9-1.2) | 1.0 (0.8-1.2) |
| Personal doctor | ||||
| Yes | Referent | Referent | Referent | Referent |
| No | 1.2 (1.1-1.2)§ | 1.2 (1.1-1.2)§ | 1.1 (1.0-1.3)§ | 1.3 (1.1-1.4)§ |
| Cost an obstacle to medical care | ||||
| Yes | Referent | Referent | Referent | Referent |
| No | 1.0 (1.0-1.1) | 1.0 (0.9-1.1) | 1.1 (1.0-1.2) | 1.0 (0.9-1.1) |
Abbreviations: CI=confidence interval.
*
Workplace, store, senior/recreation/community center, school, or other.
†
Individuals reported receiving influenza vaccination during August 2011 through May 2012.
§
p<0.05 by t test for comparisons within each variable with the indicated reference level.