Appendix. Supplemental Table 2. Trends in Prevalence of Annual Influenza Vaccination Among US Adults With Cardiovascular Disease, Behavioral Risk Factor Surveillance System, January 2011–December 2020 a .
| Characteristic | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| No. | 52,122 | 51,197 | 50,500 | 49,612 | 43,563 | 53,147 | 45,522 | 47,791 | 42,880 | 39,893 |
| Cardiovascular disease | ||||||||||
| Any cardiovascular diseaseb | 38.6 | 38.5 | 38.9 | 38.5 | 39.4 | 38.3 | 39.3 | 32.1 | 40.4 | 44.3 |
| Angina/coronary heart disease only | 39.1 | 39.3 | 40.0 | 38.1 | 40.3 | 40.1 | 40.4 | 37.2 | 42.4 | 46.9 |
| Stroke only | 38.6 | 36.2 | 38.0 | 39.5 | 38.8 | 36.9 | 39.7 | 31.7 | 40.2 | 42.9 |
| Myocardial infarction only | 32.8 | 37.7 | 35.8 | 34.5 | 37.1 | 34.8 | 37.0 | 28.2 | 37.1 | 40.1 |
| ≥2 Cardiovascular diseases | 43.5 | 40.2 | 42.6 | 40.9 | 40.7 | 41.9 | 39.4 | 31.6 | 41.7 | 46.6 |
| Age, y | ||||||||||
| 18–44 | 27.5 | 25.9 | 27.0 | 27.6 | 27.6 | 29.1 | 28.2 | 21.6 | 29.0 | 33.3 |
| 45–64 | 42.7 | 45.1 | 43.6 | 42.6 | 45.0 | 40.3 | 43.6 | 36.0 | 44.8 | 48.1 |
| ≥65 | 61.4 | 60.3 | 62.7 | 60.8 | 60.9 | 59.9 | 61.5 | 53.6 | 63.6 | 67.5 |
| Sex | ||||||||||
| Male | 36.4 | 37.2 | 37.4 | 37.8 | 38.3 | 34.7 | 38.5 | 30.9 | 37.9 | 41.8 |
| Female | 41.1 | 39.9 | 40.5 | 39.3 | 40.6 | 42.4 | 40.2 | 33.5 | 43.0 | 47.2 |
| Race and ethnicity | ||||||||||
| American Indian/Alaska Native, non-Hispanic | 41.4 | 58.3 | 37.4 | 37.3 | 40.9 | 36.3 | 31.8 | 25.3 | 42.5 | 40.3 |
| Asian, non-Hispanic | 34.6 | 41.4 | 36.3 | 44.1 | 39.0 | 51.5 | 54.5 | 38.3 | 60.1 | 50.4 |
| Black/African American, non-Hispanic | 36.2 | 32.6 | 36.3 | 36.3 | 39.1 | 37.1 | 35.2 | 31.0 | 39.8 | 43.3 |
| Hispanic | 33.9 | 32.7 | 33.5 | 32.4 | 34.7 | 34.2 | 35.2 | 30.5 | 33.2 | 36.8 |
| Native Hawaiian/Pacific Islander, non-Hispanic | 39.7 | 36.6 | 34.0 | 36.9 | 19.1 | 42.8 | 38.6 | 23.8 | 49.8 | 46.1 |
| White, non-Hispanic | 39.7 | 40.3 | 40.6 | 40.6 | 40.6 | 38.8 | 40.2 | 31.7 | 41.4 | 46.3 |
| Other, non-Hispanic | 36.7 | 40.0 | 44.5 | 37.7 | 33.3 | 29.9 | 46.6 | 32.7 | 36.6 | 40.4 |
| Education | ||||||||||
| Some high school or less | 32.5 | 33.9 | 35.0 | 34.6 | 32.9 | 37.6 | 32.0 | 28.3 | 31.7 | 36.2 |
| High school graduate | 37.5 | 37.8 | 38.0 | 35.9 | 36.8 | 33.5 | 39.8 | 30.7 | 38.7 | 41.0 |
| Some college or technical school | 40.4 | 39.6 | 39.6 | 40.3 | 41.3 | 38.8 | 40.4 | 31.9 | 44.4 | 44.2 |
| College graduate | 46.2 | 44.4 | 45.2 | 45.3 | 49.1 | 47.9 | 46.7 | 39.5 | 46.8 | 59.1 |
| Annual household income, $ | ||||||||||
| <50,000 | 36.7 | 38.1 | 38.1 | 37.2 | 37.0 | 37.0 | 37.6 | 29.8 | 40.2 | 41.8 |
| ≥50,000 | 44.5 | 41.3 | 42.8 | 44.4 | 47.1 | 44.7 | 43.0 | 35.9 | 43.4 | 49.7 |
| Marital status | ||||||||||
| Married | 39.9 | 40.3 | 41.4 | 41.7 | 41.1 | 40.3 | 40.0 | 33.3 | 41.7 | 50.0 |
| Unmarried | 37.8 | 36.7 | 38.3 | 34.0 | 37.0 | 35.0 | 38.9 | 30.9 | 41.6 | 40.1 |
| Divorced/widowed/separated | 36.6 | 35.8 | 35.8 | 36.6 | 38.9 | 40.0 | 37.3 | 29.5 | 36.3 | 38.3 |
| Health insurance | ||||||||||
| No | 22.7 | 24.3 | 21.4 | 21.3 | 24.2 | 23.0 | 23.7 | 17.2 | 25.6 | 24.5 |
| Yes | 43.0 | 41.6 | 42.8 | 42.1 | 41.7 | 40.5 | 42.0 | 34.2 | 43.2 | 48.2 |
| Diabetes | ||||||||||
| No | 36.6 | 36.2 | 36.8 | 36.5 | 37.2 | 36.3 | 36.6 | 30.6 | 38.5 | 42.0 |
| Yes | 46.2 | 44.9 | 45.8 | 46.6 | 48.6 | 44.5 | 48.1 | 36.6 | 46.2 | 52.1 |
| Obesity (body mass index >30.0) | ||||||||||
| No | 38.0 | 38.0 | 36.4 | 37.6 | 38.5 | 36.4 | 38.8 | 31.1 | 40.7 | 42.3 |
| Yes | 40.2 | 39.0 | 42.9 | 41.0 | 40.6 | 40.9 | 40.1 | 34.1 | 40.9 | 46.6 |
| Cigarette use | ||||||||||
| Never | 41.1 | 40.0 | 38.9 | 39.4 | 40.4 | 39.8 | 40.6 | 33.0 | 43.4 | 45.9 |
| Former | 41.5 | 42.7 | 42.5 | 44.2 | 43.1 | 41.0 | 42.0 | 35.5 | 43.8 | 48.7 |
| Current | 32.1 | 31.6 | 34.9 | 32.3 | 33.4 | 32.1 | 33.8 | 25.8 | 31.9 | 35.9 |
| Has a personal health care provider | ||||||||||
| No | 23.5 | 21.8 | 23.0 | 22.6 | 24.4 | 20.2 | 22.1 | 17.9 | 23.1 | 26.1 |
| Yes | 42.1 | 41.3 | 42.5 | 42.5 | 42.0 | 42.2 | 43.1 | 34.8 | 44.3 | 47.9 |
| Time since most recent visit to personal health care provider for routine checkup | ||||||||||
| Within last year | 42.7 | 43.3 | 43.4 | 42.6 | 44.0 | 42.3 | 44.4 | 35.0 | 44.5 | 48.8 |
| 1–2 Years | 30.7 | 27.7 | 30.4 | 33.0 | 30.5 | 28.0 | 29.4 | 21.1 | 25.3 | 29.4 |
| >2 Years | 25.8 | 23.8 | 24.3 | 22.6 | 23.6 | 24.9 | 21.4 | 14.1 | 17.6 | 20.1 |
a All estimates were age-standardized based on the 2010 US Census population, by reported age groups. All percentages were weighted.
b Any cardiovascular disease was defined as a history of stroke, myocardial infarction, coronary heart disease, or angina. Unweighted total number of cases of cardiovascular disease = 476,227.